rpms/valgrind
7
0
Fork 0
Code Issues Pull Requests Releases Activity
4a71c5f6b1
valgrind/SOURCES/valgrind-3.17.0-ppc64-isa-3.1.patch

1721 lines
67 KiB
Diff
Raw Normal View History

import valgrind-3.17.0-5.el8
2021-11-09 09:57:02 +00:00
commit 3cc0232c46a5905b4a6c2fbd302b58bf5f90b3d5
Author: Carl Love <cel@us.ibm.com>
Date: Mon Jan 11 16:00:57 2021 -0600
PPC64: ISA 3.1 VSX PCV Generate Operations
xgenpcvbm VSX Vector Generate PCV from Byte Mask
xxgenpcvdmVSX Vector Generate PCV from Doubleword Mask
xxgenpcvhmVSX Vector Generate PCV from Halfword Mask
xxgenpcvwmVSX Vector Generate PCV from Word Mask
diff --git a/VEX/priv/guest_ppc_defs.h b/VEX/priv/guest_ppc_defs.h
index deda4dfce..54ce923a9 100644
--- a/VEX/priv/guest_ppc_defs.h
+++ b/VEX/priv/guest_ppc_defs.h
@@ -169,6 +169,23 @@ void write_ACC_entry (VexGuestPPC64State* gst, UInt offset, UInt acc,
void get_ACC_entry (VexGuestPPC64State* gst, UInt offset, UInt acc,
UInt reg, UInt *result);
+extern void vector_gen_pvc_byte_mask_dirty_helper( VexGuestPPC64State* gst,
+ ULong src_hi,
+ ULong src_lo,
+ UInt rtn_val, UInt IMM );
+extern void vector_gen_pvc_hword_mask_dirty_helper( VexGuestPPC64State* gst,
+ ULong src_hi,
+ ULong src_lo,
+ UInt rtn_val, UInt IMM );
+extern void vector_gen_pvc_word_mask_dirty_helper( VexGuestPPC64State* gst,
+ ULong src_hi,
+ ULong src_lo,
+ UInt rtn_val, UInt IMM );
+extern void vector_gen_pvc_dword_mask_dirty_helper( VexGuestPPC64State* gst,
+ ULong src_hi,
+ ULong src_lo,
+ UInt rtn_val, UInt IMM );
+
/* 8-bit XO value from instruction description */
#define XVI4GER8 0b00100011
#define XVI4GER8PP 0b00100010
diff --git a/VEX/priv/guest_ppc_helpers.c b/VEX/priv/guest_ppc_helpers.c
index c24191ef3..75497abb9 100644
--- a/VEX/priv/guest_ppc_helpers.c
+++ b/VEX/priv/guest_ppc_helpers.c
@@ -701,6 +701,738 @@ ULong vector_evaluate64_helper( ULong srcA, ULong srcB, ULong srcC,
#undef MAX_IMM_BITS
}
+/*--------------------------------------------------*/
+/*---- VSX Vector Generate PCV from Mask helpers ---*/
+/*--------------------------------------------------*/
+static void write_VSX_entry (VexGuestPPC64State* gst, UInt reg_offset,
+ ULong *vsx_entry)
+{
+ U128* pU128_dst;
+ pU128_dst = (U128*) (((UChar*) gst) + reg_offset);
+
+ /* The U128 type is defined as an array of unsigned intetgers. */
+ /* Writing in LE order */
+ (*pU128_dst)[0] = (UInt)(vsx_entry[1] & 0xFFFFFFFF);
+ (*pU128_dst)[1] = (UInt)(vsx_entry[1] >> 32);
+ (*pU128_dst)[2] = (UInt)(vsx_entry[0] & 0xFFFFFFFF);
+ (*pU128_dst)[3] = (UInt)(vsx_entry[0] >> 32);
+ return;
+}
+
+/* CALLED FROM GENERATED CODE */
+void vector_gen_pvc_byte_mask_dirty_helper( VexGuestPPC64State* gst,
+ ULong src_hi, ULong src_lo,
+ UInt reg_offset, UInt imm ) {
+ /* The function computes the 128-bit result then writes it directly
+ into the guest state VSX register. */
+
+ UInt i, shift_by, sel_shift_by, half_sel;
+ ULong index, src, result[2];
+ ULong j;
+
+ result[0] = 0;
+ result[1] = 0;
+ j = 0;
+
+ /* The algorithm in the ISA is written with IBM numbering zero on left and
+ N-1 on right. The loop index is converted to "i" to match the algorithm
+ for claritiy of matching the C code to the algorithm in the ISA. */
+
+ if (imm == 0b00) { // big endian expansion
+ for( index = 0; index < 16; index++) {
+ i = 15 - index;
+
+ shift_by = i*8;
+
+ if ( i >= 8) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 7;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ result[half_sel] |= j << shift_by;
+ j++;
+ } else {
+ result[half_sel] |= (index + (unsigned long long)0x10) << shift_by;
+ }
+ }
+
+
+ } else if (imm == 0b01) { // big endian compression
+ /* If IMM=0b00001, let pcv be the permute control vector required to
+ enable a left-indexed permute (vperm or xxperm) to implement a
+ compression of the sparse byte elements in a source vector specified
+ by the byte-element mask in VSR[VRB+32] into the leftmost byte
+ elements of a result vector.
+ */
+ for( index = 0; index < 16; index++) {
+ i = 15 - index;
+ shift_by = i*8;
+
+ if ( i >= 8) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 7;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ if (j >= 8)
+ result[1] |= (index) << (15 - j)*8;
+ else
+ result[0] |= (index) << (7 - j)*8;
+ j++;
+ }
+ }
+ /* The algorithim says set to undefined, leave as 0
+ for( index = 3 - j; index < 4; index++) {
+ result |= (0 << (index*8));
+ }
+ */
+
+ } else if (imm == 0b10) { //little-endian expansion
+ /* If IMM=0b00010, let pcv be the permute control vector required to
+ enable a right-indexed permute (vpermr or xxpermr) to implement an
+ expansion of the rightmost byte elements of a source vector into the
+ byte elements of a result vector specified by the byte-element mask
+ in VSR[VRB+32]. */
+ for( index = 0; index < 16; index++) {
+ i = index;
+
+ shift_by = i*8;
+
+ if ( i >= 8) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 7;
+
+ /* mod shift amount by 8 since src is either the upper or lower
+ 64-bits. */
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ result[half_sel] |= j << shift_by;
+ j++;
+ } else {
+ result[half_sel] |= (index + (unsigned long long)0x10) << shift_by;
+ }
+ }
+
+ } else if (imm == 0b11) { //little-endian compression
+ /* If IMM=0b00011, let pcv be the permute control vector required to
+ enable a right-indexed permute (vpermr or xxpermr) to implement a
+ compression of the sparse byte elements in a source vector specified
+ by the byte-element mask in VSR[VRB+32] into the rightmost byte
+ elements of a result vector. */
+
+ for( index = 0; index < 16; index++) {
+ i = index;
+
+ shift_by = i*8;
+
+ if ( i >= 8) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 7;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ if (j >= 8)
+ result[0] |= (index) << (j-8)*8;
+ else
+ result[1] |= (index) << j*8;
+ j++;
+ }
+ }
+
+ /* The algorithim says set to undefined, leave as 0
+ for( index = 3 - j; index < 4; index++) {
+ result |= (0 << (index*8));
+ }
+ */
+
+ } else {
+ vex_printf("ERROR, vector_gen_pvc_byte_mask_dirty_helper, imm value %u not supported.\n",
+ imm);
+ vassert(0);
+ }
+ write_VSX_entry( gst, reg_offset, result);
+}
+
+/* CALLED FROM GENERATED CODE */
+void vector_gen_pvc_hword_mask_dirty_helper( VexGuestPPC64State* gst,
+ ULong src_hi, ULong src_lo,
+ UInt reg_offset,
+ UInt imm ) {
+ /* The function computes the 128-bit result then writes it directly
+ into the guest state VSX register. */
+ UInt i, shift_by, sel_shift_by, half_sel;
+ ULong index, src, result[2];
+ ULong j;
+
+ result[0] = 0;
+ result[1] = 0;
+ j = 0;
+
+ /* The algorithm in the ISA is written with IBM numbering zero on left and
+ N-1 on right. The loop index is converted to "i" to match the algorithm
+ for claritiy of matching the C code to the algorithm in the ISA. */
+
+ if (imm == 0b00) { // big endian expansion
+ /* If IMM=0b00000, let pcv be the permute control vector required to
+ enable a left-indexed permute (vperm or xxperm) to implement an
+ expansion of the leftmost halfword elements of a source vector into
+ the halfword elements of a result vector specified by the halfword-
+ element mask in VSR[VRB+32].
+ */
+ for( index = 0; index < 8; index++) {
+ i = 7 - index;
+
+ shift_by = i*16;
+
+ if ( i >= 4) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 15;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ // half-word i, byte 0
+ result[half_sel] |= (2*j + 0x0) << (shift_by+8);
+ // half-word i, byte 1
+ result[half_sel] |= (2*j + 0x1) << shift_by;
+ j++;
+ } else {
+ result[half_sel] |= (2*index + 0x10) << (shift_by+8);
+ result[half_sel] |= (2*index + 0x11) << shift_by;
+ }
+ }
+
+ } else if (imm == 0b01) { // big endian expansion
+ /* If IMM=0b00001,let pcv be the permute control vector required to
+ enable a left-indexed permute (vperm or xxperm) to implement a
+ compression of the sparse halfword elements in a source vector
+ specified by the halfword-element mask in VSR[VRB+32] into the
+ leftmost halfword elements of a result vector.
+ */
+ for( index = 0; index < 8; index++) {
+ i = 7 - index;
+
+ shift_by = i*16;
+
+ if ( i >= 4) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 15;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ if (j >= 4) {
+ // half-word i, byte 0
+ result[1] |= (2*index + 0x0) << ((7 - j)*16 + 8);
+ // half-word i, byte 1
+ result[1] |= (2*index + 0x1) << ((7 - j)*16);
+ } else {
+ // half-word i, byte 0
+ result[0] |= (2*index + 0x0) << ((3 - j)*16 + 8);
+ // half-word i, byte 1
+ result[0] |= (2*index + 0x1) << ((3 - j)*16);
+ }
+ j++;
+ }
+ }
+
+ } else if (imm == 0b10) { //little-endian expansion
+ /* If IMM=0b00010, let pcv be the permute control vector required to
+ enable a right-indexed permute (vpermr or xxpermr) to implement an
+ expansion of the rightmost halfword elements of a source vector into
+ the halfword elements of a result vector specified by the halfword-
+ element mask in VSR[VRB+32].
+ */
+ for( index = 0; index < 8; index++) {
+ i = index;
+ shift_by = i*16;
+
+ if ( i >= 4) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 15;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ // half-word i, byte 0
+ result[half_sel] |= (2*j + 0x00) << shift_by;
+ // half-word i, byte 1
+ result[half_sel] |= (2*j + 0x01) << (shift_by+8);
+ j++;
+
+ } else {
+ // half-word i, byte 0
+ result[half_sel] |= (2*index + 0x10) << shift_by;
+ // half-word i, byte 1
+ result[half_sel] |= (2*index + 0x11) << (shift_by+8);
+ }
+ }
+
+ } else if (imm == 0b11) { //little-endian compression
+ /* If IMM=0b00011, let pcv be the permute control vector required to
+ enable a right-indexed permute (vpermr or xxpermr) to implement a
+ compression of the sparse halfword elements in a source vector
+ specified by the halfword-element mask in VSR[VRB+32] into the
+ rightmost halfword elements of a result vector. */
+ for( index = 0; index < 8; index++) {
+ i = index;
+ shift_by = i*16;
+
+ if ( i >= 4) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 15;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ if (j >= 4) {
+ // half-word j, byte 0
+ result[0] |= (2*index + 0x0) << ((j-4)*16);
+ // half-word j, byte 1
+ result[0] |= (2*index + 0x1) << ((j-4)*16+8);
+ } else {
+ // half-word j, byte 0
+ result[1] |= (2*index + 0x0) << (j*16);
+ // half-word j, byte 1
+ result[1] |= (2*index + 0x1) << ((j*16)+8);
+ }
+ j++;
+ }
+ }
+
+ } else {
+ vex_printf("ERROR, vector_gen_pvc_hword_dirty_mask_helper, imm value %u not supported.\n",
+ imm);
+ vassert(0);
+ }
+ write_VSX_entry( gst, reg_offset, result);
+}
+
+/* CALLED FROM GENERATED CODE */
+void vector_gen_pvc_word_mask_dirty_helper( VexGuestPPC64State* gst,
+ ULong src_hi, ULong src_lo,
+ UInt reg_offset, UInt imm ) {
+ /* The function computes the 128-bit result then writes it directly
+ into the guest state VSX register. */
+ UInt i, shift_by, sel_shift_by, half_sel;
+ ULong index, src, result[2];
+ ULong j;
+
+ result[0] = 0;
+ result[1] = 0;
+ j = 0;
+
+ /* The algorithm in the ISA is written with IBM numbering zero on left and
+ N-1 on right. The loop index is converted to "i" to match the algorithm
+ for claritiy of matching the C code to the algorithm in the ISA. */
+
+ if (imm == 0b00) { // big endian expansion
+ /* If IMM=0b00000, let pcv be the permute control vector required to
+ enable a left-indexed permute (vperm or xxperm) to implement an
+ expansion of the leftmost word elements of a source vector into the
+ word elements of a result vector specified by the word-element mask
+ in VSR[VRB+32].
+ */
+ for( index = 0; index < 4; index++) {
+ i = 3 - index;
+
+ shift_by = i*32;
+
+ if ( i >= 2) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 31;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ result[half_sel] |= (4*j+0) << (shift_by+24); // word i, byte 0
+ result[half_sel] |= (4*j+1) << (shift_by+16); // word i, byte 1
+ result[half_sel] |= (4*j+2) << (shift_by+8); // word i, byte 2
+ result[half_sel] |= (4*j+3) << shift_by; // word i, byte 3
+ j++;
+ } else {
+ result[half_sel] |= (4*index + 0x10) << (shift_by+24);
+ result[half_sel] |= (4*index + 0x11) << (shift_by+16);
+ result[half_sel] |= (4*index + 0x12) << (shift_by+8);
+ result[half_sel] |= (4*index + 0x13) << shift_by;
+ }
+ }
+
+ } else if (imm == 0b01) { // big endian compression
+ /* If IMM=0b00001, let pcv be the permute control vector required to
+ enable a left-indexed permute (vperm or xxperm) to implement a
+ compression of the sparse word elements in a source vector specified
+ by the word-element mask in VSR[VRB+32] into the leftmost word
+ elements of a result vector.
+ */
+ for( index = 0; index < 4; index++) {
+ i = 3 - index;
+
+ shift_by = i*32;
+
+ if ( i >= 2) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 31;
+
+ if (((src >> sel_shift_by) & 0x1) == 1) {
+ if (j >= 2) {
+ // word j, byte 0
+ result[1] |= (4*index+0) << ((3 - j)*32 + 24);
+ // word j, byte 1
+ result[1] |= (4*index+1) << ((3 - j)*32 + 16);
+ // word j, byte 2
+ result[1] |= (4*index+2) << ((3 - j)*32 + 8);
+ // word j, byte 3
+ result[1] |= (4*index+3) << ((3 - j)*32 + 0);
+ } else {
+ result[0] |= (4*index+0) << ((1 - j)*32 + 24);
+ result[0] |= (4*index+1) << ((1 - j)*32 + 16);
+ result[0] |= (4*index+2) << ((1 - j)*32 + 8);
+ result[0] |= (4*index+3) << ((1 - j)*32 + 0);
+ }
+ j++;
+ }
+ }
+
+ } else if (imm == 0b10) { //little-endian expansion
+ /* If IMM=0b00010, let pcv be the permute control vector required to
+ enable a right-indexed permute (vpermr or xxpermr) to implement an
+ expansion of the rightmost word elements of a source vector into the
+ word elements of a result vector specified by the word-element mask
+ in VSR[VRB+32].
+ */
+ for( index = 0; index < 4; index++) {
+ i = index;
+
+ shift_by = i*32;
+
+ if ( i >= 2) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 31;
+
+ if (((src >> sel_shift_by) & 0x1) == 1) {
+ result[half_sel] |= (4*j+0) << (shift_by + 0); // word j, byte 0
+ result[half_sel] |= (4*j+1) << (shift_by + 8); // word j, byte 1
+ result[half_sel] |= (4*j+2) << (shift_by + 16); // word j, byte 2
+ result[half_sel] |= (4*j+3) << (shift_by + 24); // word j, byte 3
+ j++;
+ } else {
+ result[half_sel] |= (4*index + 0x10) << (shift_by + 0);
+ result[half_sel] |= (4*index + 0x11) << (shift_by + 8);
+ result[half_sel] |= (4*index + 0x12) << (shift_by + 16);
+ result[half_sel] |= (4*index + 0x13) << (shift_by + 24);
+ }
+ }
+
+ } else if (imm == 0b11) { //little-endian compression
+ /* If IMM=0b00011, let pcv be the permute control vector required to
+ enable a right-indexed permute (vpermr or xxpermr) to implement a
+ compression of the sparse word elements in a source vector specified
+ by the word-element mask in VSR[VRB+32] into the rightmost word
+ elements of a result vector. */
+ for( index = 0; index < 4; index++) {
+ i =index;
+
+ shift_by = i*32;
+
+ if ( i >= 2) {
+ src = src_hi;
+ shift_by = shift_by - 64;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = shift_by + 31;
+
+ if (((src >> sel_shift_by) & 0x1) == 1) {
+ if (j >= 2){
+ // word j, byte 0
+ result[0] |= (4*index + 0x0) << ((j-2)*32+0);
+ // word j, byte 1
+ result[0] |= (4*index + 0x1) << ((j-2)*32+8);
+ // word j, byte 2
+ result[0] |= (4*index + 0x2) << ((j-2)*32+16);
+ // word j, byte 3
+ result[0] |= (4*index + 0x3) << ((j-2)*32+24);
+ } else {
+ result[1] |= (4*index + 0x0) << (j*32+0);
+ result[1] |= (4*index + 0x1) << (j*32+8);
+ result[1] |= (4*index + 0x2) << (j*32+16);
+ result[1] |= (4*index + 0x3) << (j*32+24);
+ }
+ j++;
+ }
+ }
+ } else {
+ vex_printf("ERROR, vector_gen_pvc_word_mask_dirty_helper, imm value %u not supported.\n",
+ imm);
+ vassert(0);
+ }
+
+ write_VSX_entry( gst, reg_offset, result);
+}
+
+/* CALLED FROM GENERATED CODE */
+void vector_gen_pvc_dword_mask_dirty_helper( VexGuestPPC64State* gst,
+ ULong src_hi, ULong src_lo,
+ UInt reg_offset, UInt imm ) {
+ /* The function computes the 128-bit result then writes it directly
+ into the guest state VSX register. */
+ UInt sel_shift_by, half_sel;
+ ULong index, src, result[2];
+ ULong j, i;
+
+ result[0] = 0;
+ result[1] = 0;
+ j = 0;
+
+ /* The algorithm in the ISA is written with IBM numbering zero on left and
+ N-1 on right. The loop index is converted to "i" to match the algorithm
+ for claritiy of matching the C code to the algorithm in the ISA. */
+
+ if (imm == 0b00) { // big endian expansion
+ /* If IMM=0b00000, let pcv be the permute control vector required to
+ enable a left-indexed permute (vperm or xxperm) to implement an
+ expansion of the leftmost doubleword elements of a source vector into
+ the doubleword elements of a result vector specified by the
+ doubleword-element mask in VSR[VRB+32].
+ */
+ for( index = 0; index < 2; index++) {
+ i = 1 - index;
+
+ if ( i == 1) {
+ src = src_hi;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = 63;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ result[half_sel] |= (8*j + 0x0) << 56; // dword i, byte 0
+ result[half_sel] |= (8*j + 0x1) << 48; // dword i, byte 1
+ result[half_sel] |= (8*j + 0x2) << 40; // dword i, byte 2
+ result[half_sel] |= (8*j + 0x3) << 32; // dword i, byte 3
+ result[half_sel] |= (8*j + 0x4) << 24; // dword i, byte 4
+ result[half_sel] |= (8*j + 0x5) << 16; // dword i, byte 5
+ result[half_sel] |= (8*j + 0x6) << 8; // dword i, byte 6
+ result[half_sel] |= (8*j + 0x7) << 0; // dword i, byte 7
+ j++;
+ } else {
+ result[half_sel] |= (8*index + 0x10) << 56;
+ result[half_sel] |= (8*index + 0x11) << 48;
+ result[half_sel] |= (8*index + 0x12) << 40;
+ result[half_sel] |= (8*index + 0x13) << 32;
+ result[half_sel] |= (8*index + 0x14) << 24;
+ result[half_sel] |= (8*index + 0x15) << 16;
+ result[half_sel] |= (8*index + 0x16) << 8;
+ result[half_sel] |= (8*index + 0x17) << 0;
+ }
+ }
+ } else if (imm == 0b01) { // big endian compression
+ /* If IMM=0b00001, let pcv be the the permute control vector required to
+ enable a left-indexed permute (vperm or xxperm) to implement a
+ compression of the sparse doubleword elements in a source vector
+ specified by the doubleword-element mask in VSR[VRB+32] into the
+ leftmost doubleword elements of a result vector.
+ */
+ for( index = 0; index < 2; index++) {
+ i = 1 - index;
+
+ if ( i == 1) {
+ src = src_hi;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = 63;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ if (j == 1) {
+ result[1] |= (8*index + 0x0) << 56; // double-word j, byte 0
+ result[1] |= (8*index + 0x1) << 48; // double-word j, byte 1
+ result[1] |= (8*index + 0x2) << 40; // double-word j, byte 2
+ result[1] |= (8*index + 0x3) << 32; // double-word j, byte 3
+ result[1] |= (8*index + 0x4) << 24; // double-word j, byte 4
+ result[1] |= (8*index + 0x5) << 16; // double-word j, byte 5
+ result[1] |= (8*index + 0x6) << 8; // double-word j, byte 6
+ result[1] |= (8*index + 0x7) << 0; // double-word j, byte 7
+ } else {
+ result[0] |= (8*index + 0x0) << 56; // double-word j, byte 0
+ result[0] |= (8*index + 0x1) << 48; // double-word j, byte 1
+ result[0] |= (8*index + 0x2) << 40; // double-word j, byte 2
+ result[0] |= (8*index + 0x3) << 32; // double-word j, byte 3
+ result[0] |= (8*index + 0x4) << 24; // double-word j, byte 4
+ result[0] |= (8*index + 0x5) << 16; // double-word j, byte 5
+ result[0] |= (8*index + 0x6) << 8; // double-word j, byte 6
+ result[0] |= (8*index + 0x7) << 0; // double-word j, byte 7
+ }
+ j++;
+ }
+ }
+ } else if (imm == 0b10) { //little-endian expansion
+ /* If IMM=0b00010, let pcv be the permute control vector required to
+ enable a right-indexed permute (vpermr or xxpermr) to implement an
+ expansion of the rightmost doubleword elements of a source vector
+ into the doubleword elements of a result vector specified by the
+ doubleword-element mask in VSR[VRB+32].
+ */
+
+ for( index = 0; index < 2; index++) {
+ i = index;
+
+ if ( i == 1) {
+ src = src_hi;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = 63;
+
+ if ( ((src >> sel_shift_by) & 0x1) == 1) {
+ result[half_sel] |= (8*j+0) << 0; // double-word i, byte 0
+ result[half_sel] |= (8*j+1) << 8; // double-word i, byte 1
+ result[half_sel] |= (8*j+2) << 16; // double-word i, byte 2
+ result[half_sel] |= (8*j+3) << 24; // double-word i, byte 3
+ result[half_sel] |= (8*j+4) << 32; // double-word i, byte 4
+ result[half_sel] |= (8*j+5) << 40; // double-word i, byte 5
+ result[half_sel] |= (8*j+6) << 48; // double-word i, byte 6
+ result[half_sel] |= (8*j+7) << 56; // double-word i, byte 7
+ j++;
+ } else {
+ result[half_sel] |= (8*index + 0x10) << 0;
+ result[half_sel] |= (8*index + 0x11) << 8;
+ result[half_sel] |= (8*index + 0x12) << 16;
+ result[half_sel] |= (8*index + 0x13) << 24;
+ result[half_sel] |= (8*index + 0x14) << 32;
+ result[half_sel] |= (8*index + 0x15) << 40;
+ result[half_sel] |= (8*index + 0x16) << 48;
+ result[half_sel] |= (8*index + 0x17) << 56;
+ }
+ }
+
+ } else if (imm == 0b11) { //little-endian compression
+ /* If IMM=0b00011, let pcv be the permute control vector required to
+ enable a right-indexed permute (vpermr or xxpermr) to implement a
+ compression of the sparse doubleword elements in a source vector
+ specified by the doubleword-element mask in VSR[VRB+32] into the
+ rightmost doubleword elements of a result vector. */
+ for( index = 0; index < 2; index++) {
+ i = index;
+
+ if ( i == 1) {
+ src = src_hi;
+ half_sel = 0;
+ } else {
+ src = src_lo;
+ half_sel = 1;
+ }
+
+ sel_shift_by = 63;
+
+ if (((src >> sel_shift_by) & 0x1) == 1) {
+ if (j == 1) {
+ result[0] |= (8*index + 0x0) << 0; // double-word j, byte 0
+ result[0] |= (8*index + 0x1) << 8; // double-word j, byte 1
+ result[0] |= (8*index + 0x2) << 16; // double-word j, byte 2
+ result[0] |= (8*index + 0x3) << 24; // double-word j, byte 3
+ result[0] |= (8*index + 0x4) << 32; // double-word j, byte 4
+ result[0] |= (8*index + 0x5) << 40; // double-word j, byte 5
+ result[0] |= (8*index + 0x6) << 48; // double-word j, byte 6
+ result[0] |= (8*index + 0x7) << 56; // double-word j, byte 7
+ } else {
+ result[1] |= (8*index + 0x0) << 0;
+ result[1] |= (8*index + 0x1) << 8;
+ result[1] |= (8*index + 0x2) << 16;
+ result[1] |= (8*index + 0x3) << 24;
+ result[1] |= (8*index + 0x4) << 32;
+ result[1] |= (8*index + 0x5) << 40;
+ result[1] |= (8*index + 0x6) << 48;
+ result[1] |= (8*index + 0x7) << 56;
+ }
+ j++;
+ }
+ }
+ } else {
+ vex_printf("ERROR, vector_gen_pvc_dword_mask_helper, imm value %u not supported.\n",
+ imm);
+ vassert(0);
+ }
+
+ write_VSX_entry( gst, reg_offset, result);
+}
/*------------------------------------------------*/
/*---- VSX Matrix signed integer GER functions ---*/
diff --git a/VEX/priv/guest_ppc_toIR.c b/VEX/priv/guest_ppc_toIR.c
index bcabf69dd..354be6b53 100644
--- a/VEX/priv/guest_ppc_toIR.c
+++ b/VEX/priv/guest_ppc_toIR.c
@@ -3322,6 +3322,7 @@ static IRExpr * locate_vector_ele_eq ( IRTemp src, IRExpr *value,
#define DFORM_IMMASK 0xffffffff
#define DSFORM_IMMASK 0xfffffffc
#define DQFORM_IMMASK 0xfffffff0
+#define DA8LSFORM_IMMASK 0x3fffffff // Algebraic 8LS Dform
#define ISA_3_1_PREFIX_CHECK if (prefix) {if (!allow_isa_3_1) goto decode_noIsa3_1;}
@@ -6109,6 +6110,87 @@ static void vsx_matrix_64bit_float_ger ( const VexAbiInfo* vbi,
stmt( IRStmt_Dirty(d) );
}
+static void vector_gen_pvc_mask ( const VexAbiInfo* vbi,
+ IRExpr *src, UInt IMM,
+ UInt opc2, UInt VSX_addr ) {
+ /* The function takes a 64-bit source and an immediate value. The function
+ calls a helper to execute the xxgenpcvbm, xxgenpcvhm, xxgenpcvwm,
+ xxgenpcvdm instruction. The instructions are not practical to do with
+ Iops. The instruction is implemented with a dirty helper that
+ calculates the 128-bit result and writes it directly into the guest
+ state VSX register.
+ */
+ IRTemp src_hi = newTemp( Ity_I64);
+ IRTemp src_lo = newTemp( Ity_I64);
+
+ IRDirty* d;
+
+ vassert( (VSX_addr >= 0) && (VSX_addr < 64) );
+ UInt reg_offset = offsetofPPCGuestState( guest_VSR0 )
+ + sizeof(U128) * VSX_addr;
+
+ assign( src_hi, unop( Iop_V128HIto64, src ) );
+ assign( src_lo, unop( Iop_V128to64, src ) );
+
+ IRExpr** args = mkIRExprVec_5(
+ IRExpr_GSPTR(),
+ mkexpr( src_hi ),
+ mkexpr( src_lo ),
+ mkU32( reg_offset ),
+ mkU64( IMM ) );
+
+ switch( opc2 ) {
+ case 0x394: // xxgenpcvbm
+ d = unsafeIRDirty_0_N (
+ 0 /*regparms*/,
+ "vector_gen_pvc_byte_mask_dirty_helper",
+ fnptr_to_fnentry( vbi,
+ &vector_gen_pvc_byte_mask_dirty_helper ),
+ args);
+ break;
+
+ case 0x395: // xxgenpcvhm
+ d = unsafeIRDirty_0_N (
+ 0 /*regparms*/,
+ "vector_gen_pvc_hword_mask_dirty_helper",
+ fnptr_to_fnentry( vbi,
+ &vector_gen_pvc_hword_mask_dirty_helper ),
+ args);
+ break;
+
+ case 0x3B4: // xxgenpcvwm
+ d = unsafeIRDirty_0_N (
+ 0 /*regparms*/,
+ "vector_gen_pvc_word_mask_dirty_helper",
+ fnptr_to_fnentry( vbi,
+ &vector_gen_pvc_word_mask_dirty_helper ),
+ args);
+ break;
+
+ case 0x3B5: // xxgenpcvdm
+ d = unsafeIRDirty_0_N (
+ 0 /*regparms*/,
+ "vector_gen_pvc_dword_mask_dirty_helper",
+ fnptr_to_fnentry( vbi,
+ &vector_gen_pvc_dword_mask_dirty_helper ),
+ args);
+ break;
+ default:
+ vex_printf("ERROR: Unkown instruction = %u in vector_gen_pvc_mask()\n",
+ opc2);
+ return;
+ }
+
+ d->nFxState = 1;
+ vex_bzero(&d->fxState, sizeof(d->fxState));
+ d->fxState[0].fx = Ifx_Modify;
+ d->fxState[0].size = sizeof(U128);
+ d->fxState[0].offset = reg_offset;
+
+ /* execute the dirty call, side-effecting guest state */
+ stmt( IRStmt_Dirty(d) );
+}
+
static IRExpr * UNSIGNED_CMP_GT_V128 ( IRExpr *vA, IRExpr *vB ) {
/* This function does an unsigned compare of two V128 values. The
* function is for use in 32-bit mode only as it is expensive. The
@@ -35227,6 +35309,54 @@ static Bool dis_vsx_accumulator_prefix ( UInt prefix, UInt theInstr,
return True;
}
+static Bool dis_vector_generate_pvc_from_mask ( UInt prefix,
+ UInt theInstr,
+ const VexAbiInfo* vbi )
+{
+ UChar XT_addr = ifieldRegXT(theInstr);
+ UChar vB_addr = ifieldRegB(theInstr);
+ IRTemp vB = newTemp( Ity_V128 );
+ UInt opc2 = ifieldOPClo10(theInstr);
+ UInt IMM = IFIELD(theInstr, (31-15), 5); // bits[11:15]
+
+ assign( vB, getVReg( vB_addr ) );
+
+ switch( opc2 ) {
+ case 0x394:
+ DIP("xxgenpcvbm v%u,v%u,%u\n", XT_addr, vB_addr, IMM);
+ /* vector_gen_pvc_mask uses a dirty helper to calculate the result and
+ write it to the VSX result register. */
+ vector_gen_pvc_mask( vbi, mkexpr( vB ), IMM, opc2, XT_addr );
+ break;
+
+ case 0x395:
+ DIP("xxgenpcvhm v%u,v%u,%u\n", XT_addr, vB_addr, IMM);
+ /* vector_gen_pvc_mask uses a dirty helper to calculate the result and
+ write it to the VSX result register. */
+ vector_gen_pvc_mask( vbi, mkexpr( vB ), IMM, opc2, XT_addr );
+ break;
+
+ case 0x3B4:
+ DIP("xxgenpcvwm v%u,v%u,%u\n", XT_addr, vB_addr, IMM);
+ /* vector_gen_pvc_mask uses a dirty helper to calculate the result and
+ write it to the VSX result register. */
+ vector_gen_pvc_mask( vbi, mkexpr( vB ), IMM, opc2, XT_addr );
+ break;
+
+ case 0x3B5:
+ DIP("xxgenpcvdm v%u,v%u,%u\n", XT_addr, vB_addr, IMM);
+ /* vector_gen_pvc_mask uses a dirty helper to calculate the result and
+ write it to the VSX result register. */
+ vector_gen_pvc_mask( vbi, mkexpr( vB ), IMM, opc2, XT_addr );
+ break;
+
+ default:
+ return False;
+ }
+
+ return True;
+}
+
static Int dis_nop_prefix ( UInt prefix, UInt theInstr )
{
Bool is_prefix = prefix_instruction( prefix );
@@ -35748,14 +35878,9 @@ DisResult disInstr_PPC_WRK (
}
goto decode_failure;
- case 0x31: // lfsu, stxv
+ case 0x31: // lfsu
if (!allow_F) goto decode_noF;
- if (prefix_instruction( prefix )) { // stxv
- if ( !(allow_isa_3_1) ) goto decode_noIsa3_1;
- if (dis_fp_pair_prefix( prefix, theInstr )) goto decode_success;
- } else { // lfsu
- if (dis_fp_load( prefix, theInstr )) goto decode_success;
- }
+ if (dis_fp_load( prefix, theInstr )) goto decode_success;
goto decode_failure;
case 0x32:
@@ -35842,7 +35967,6 @@ DisResult disInstr_PPC_WRK (
case 0x39: // pld, lxsd, lxssp, lfdp
{
UInt opc2tmp = ifieldOPC0o2(theInstr);
-
if (!allow_F) goto decode_noF;
if (prefix_instruction( prefix )) { // pld
if ( !(allow_isa_3_1) ) goto decode_noIsa3_1;
@@ -36125,12 +36249,6 @@ DisResult disInstr_PPC_WRK (
goto decode_failure;
}
- /* The vsxOpc2 returned is the "normalized" value, representing the
- * instructions secondary opcode as taken from the standard secondary
- * opcode field [21:30] (IBM notatition), even if the actual field
- * is non-standard. These normalized values are given in the opcode
- * appendices of the ISA 2.06 document.
- */
if ( ( opc2 == 0x168 ) && ( IFIELD( theInstr, 19, 2 ) == 0 ) )// xxspltib
{
/* This is a special case of the XX1 form where the RA, RB
@@ -36153,6 +36271,23 @@ DisResult disInstr_PPC_WRK (
goto decode_failure;
}
+ if ( ( opc2 == 0x394 ) || // xxgenpcvbm
+ ( opc2 == 0x395 ) || // xxgenpcvwm
+ ( opc2 == 0x3B4 ) || // xxgenpcvhm
+ ( opc2 == 0x3B5 ) ) { // xxgenpcvdm
+ if ( !(allow_isa_3_1) ) goto decode_noIsa3_1;
+ if (dis_vector_generate_pvc_from_mask( prefix, theInstr,
+ abiinfo ))
+ goto decode_success;
+ goto decode_failure;
+ }
+
+ /* The vsxOpc2 returned is the "normalized" value, representing the
+ * instructions secondary opcode as taken from the standard secondary
+ * opcode field [21:30] (IBM notatition), even if the actual field
+ * is non-standard. These normalized values are given in the opcode
+ * appendices of the ISA 2.06 document.
+ */
vsxOpc2 = get_VSX60_opc2(opc2, theInstr);
switch (vsxOpc2) {
commit 078f89e99b6f62e043f6138c6a7ae238befc1f2a
Author: Carl Love <cel@us.ibm.com>
Date: Fri Feb 26 15:46:55 2021 -0600
PPC64: Reduced-Precision - bfloat16 Outer Product & Format Conversion Operations
Add support for:
pmxvbf16ger2 Prefixed Masked VSX Vector bfloat16 GER (Rank-2 Update)
pmxvbf16ger2pp Prefixed Masked VSX Vector bfloat16 GER (Rank-2 Update) Positive
multiply, Positive accumulate
pmxvbf16ger2pn Prefixed Masked VSX Vector bfloat16 GER (Rank-2 Update) Positive
multiply, Negative accumulate
pmxvbf16ger2np Prefixed Masked VSX Vector bfloat16 GER (Rank-2 Update) Negative
multiply, Positive accumulate
pmxvbf16ger2nn Prefixed Masked VSX Vector bfloat16 GER (Rank-2 Update) Negative
multiply, Negative accumulate
xvbf16ger2VSX Vector bfloat16 GER (Rank-2 Update)
xvbf16ger2pp VSX Vector bfloat16 GER (Rank-2 Update) Positive multiply, Positive
accumulate
xvbf16ger2pn VSX Vector bfloat16 GER (Rank-2 Update) Positive multiply, Negative
accumulate
xvbf16ger2np VSX Vector bfloat16 GER (Rank-2 Update) Negative multiply, Positive
accumulate
xvbf16ger2nn VSX Vector bfloat16 GER (Rank-2 Update) Negative multiply, Negative
accumulate
xvcvbf16sp VSX Vector Convert bfloat16 to Single-Precision format
xvcvspbf16 VSX Vector Convert with round Single-Precision to bfloat16 format
diff --git a/VEX/priv/guest_ppc_defs.h b/VEX/priv/guest_ppc_defs.h
index 54ce923a9..d36d6c07d 100644
--- a/VEX/priv/guest_ppc_defs.h
+++ b/VEX/priv/guest_ppc_defs.h
@@ -150,6 +150,8 @@ extern ULong convert_to_zoned_helper( ULong src_hi, ULong src_low,
ULong return_upper );
extern ULong convert_to_national_helper( ULong src, ULong return_upper );
extern ULong convert_from_zoned_helper( ULong src_hi, ULong src_low );
+extern ULong convert_from_floattobf16_helper( ULong src );
+extern ULong convert_from_bf16tofloat_helper( ULong src );
extern ULong convert_from_national_helper( ULong src_hi, ULong src_low );
extern ULong generate_C_FPCC_helper( ULong size, ULong src_hi, ULong src );
extern ULong extract_bits_under_mask_helper( ULong src, ULong mask,
@@ -201,6 +203,11 @@ extern void vector_gen_pvc_dword_mask_dirty_helper( VexGuestPPC64State* gst,
#define XVF16GER2PN 0b10010010
#define XVF16GER2NP 0b01010010
#define XVF16GER2NN 0b11010010
+#define XVBF16GER2 0b00110011
+#define XVBF16GER2PP 0b00110010
+#define XVBF16GER2PN 0b10110010
+#define XVBF16GER2NP 0b01110010
+#define XVBF16GER2NN 0b11110010
#define XVF32GER 0b00011011
#define XVF32GERPP 0b00011010
#define XVF32GERPN 0b10011010
diff --git a/VEX/priv/guest_ppc_helpers.c b/VEX/priv/guest_ppc_helpers.c
index 75497abb9..6bcee966d 100644
--- a/VEX/priv/guest_ppc_helpers.c
+++ b/VEX/priv/guest_ppc_helpers.c
@@ -1905,6 +1905,125 @@ static Double conv_f16_to_double( ULong input )
# endif
}
+#define BF16_SIGN_MASK 0x8000
+#define BF16_EXP_MASK 0x7F80
+#define BF16_FRAC_MASK 0x007F
+#define BF16_BIAS 127
+#define BF16_MAX_UNBIASED_EXP 127
+#define BF16_MIN_UNBIASED_EXP -126
+#define FLOAT_SIGN_MASK 0x80000000
+#define FLOAT_EXP_MASK 0x7F800000
+#define FLOAT_FRAC_MASK 0x007FFFFF
+#define FLOAT_FRAC_BIT8 0x00008000
+#define FLOAT_BIAS 127
+
+static Float conv_bf16_to_float( UInt input )
+{
+ /* input is 16-bit bfloat.
+ bias +127, exponent 8-bits, fraction 7-bits
+
+ output is 32-bit float.
+ bias +127, exponent 8-bits, fraction 22-bits
+ */
+
+ UInt input_exp, input_fraction, unbiased_exp;
+ UInt output_exp, output_fraction;
+ UInt sign;
+ union convert_t conv;
+
+ sign = (UInt)(input & BF16_SIGN_MASK);
+ input_exp = input & BF16_EXP_MASK;
+ unbiased_exp = (input_exp >> 7) - (UInt)BF16_BIAS;
+ input_fraction = input & BF16_FRAC_MASK;
+
+ if (((input_exp & BF16_EXP_MASK) == BF16_EXP_MASK) &&
+ (input_fraction != 0)) {
+ /* input is NaN or SNaN, exp all 1's, fraction != 0 */
+ output_exp = FLOAT_EXP_MASK;
+ output_fraction = input_fraction;
+
+ } else if(((input_exp & BF16_EXP_MASK) == BF16_EXP_MASK) &&
+ ( input_fraction == 0)) {
+ /* input is infinity, exp all 1's, fraction = 0 */
+ output_exp = FLOAT_EXP_MASK;
+ output_fraction = 0;
+
+ } else if((input_exp == 0) && (input_fraction == 0)) {
+ /* input is zero */
+ output_exp = 0;
+ output_fraction = 0;
+
+ } else if((input_exp == 0) && (input_fraction != 0)) {
+ /* input is denormal */
+ output_fraction = input_fraction;
+ output_exp = (-(Int)BF16_BIAS + (Int)FLOAT_BIAS ) << 23;
+
+ } else {
+ /* result is normal */
+ output_exp = (unbiased_exp + FLOAT_BIAS) << 23;
+ output_fraction = input_fraction;
+ }
+
+ conv.u32 = sign << (31 - 15) | output_exp | (output_fraction << (23-7));
+ return conv.f;
+}
+
+static UInt conv_float_to_bf16( UInt input )
+{
+ /* input is 32-bit float stored as unsigned 32-bit.
+ bias +127, exponent 8-bits, fraction 23-bits
+
+ output is 16-bit bfloat.
+ bias +127, exponent 8-bits, fraction 7-bits
+
+ If the unbiased exponent of the input is greater than the max floating
+ point unbiased exponent value, the result of the floating point 16-bit
+ value is infinity.
+ */
+
+ UInt input_exp, input_fraction;
+ UInt output_exp, output_fraction;
+ UInt result, sign;
+
+ sign = input & FLOAT_SIGN_MASK;
+ input_exp = input & FLOAT_EXP_MASK;
+ input_fraction = input & FLOAT_FRAC_MASK;
+
+ if (((input_exp & FLOAT_EXP_MASK) == FLOAT_EXP_MASK) &&
+ (input_fraction != 0)) {
+ /* input is NaN or SNaN, exp all 1's, fraction != 0 */
+ output_exp = BF16_EXP_MASK;
+ output_fraction = (ULong)input_fraction >> (23 - 7);
+ } else if (((input_exp & FLOAT_EXP_MASK) == FLOAT_EXP_MASK) &&
+ ( input_fraction == 0)) {
+ /* input is infinity, exp all 1's, fraction = 0 */
+ output_exp = BF16_EXP_MASK;
+ output_fraction = 0;
+ } else if ((input_exp == 0) && (input_fraction == 0)) {
+ /* input is zero */
+ output_exp = 0;
+ output_fraction = 0;
+ } else if ((input_exp == 0) && (input_fraction != 0)) {
+ /* input is denormal */
+ output_exp = 0;
+ output_fraction = (ULong)input_fraction >> (23 - 7);
+ } else {
+ /* result is normal */
+ output_exp = (input_exp - BF16_BIAS + FLOAT_BIAS) >> (23 - 7);
+ output_fraction = (ULong)input_fraction >> (23 - 7);
+
+ /* Round result. Look at the 8th bit position of the 32-bit floating
+ pointt fraction. The F16 fraction is only 7 bits wide so if the 8th
+ bit of the F32 is a 1 we need to round up by adding 1 to the output
+ fraction. */
+ if ((input_fraction & FLOAT_FRAC_BIT8) == FLOAT_FRAC_BIT8)
+ /* Round the F16 fraction up by 1 */
+ output_fraction = output_fraction + 1;
+ }
+
+ result = sign >> (31 - 15) | output_exp | output_fraction;
+ return result;
+}
static Float conv_double_to_float( Double src )
{
@@ -1942,6 +2061,36 @@ static Float negate_float( Float input )
return -input;
}
+/* This C-helper takes a vector of two 32-bit floating point values
+ * and returns a vector containing two 16-bit bfloats.
+ input: word0 word1
+ output 0x0 hword1 0x0 hword3
+ Called from generated code.
+ */
+ULong convert_from_floattobf16_helper( ULong src ) {
+ ULong resultHi, resultLo;
+
+ resultHi = (ULong)conv_float_to_bf16( (UInt)(src >> 32));
+ resultLo = (ULong)conv_float_to_bf16( (UInt)(src & 0xFFFFFFFF));
+ return (resultHi << 32) | resultLo;
+
+}
+
+/* This C-helper takes a vector of two 16-bit bfloating point values
+ * and returns a vector containing one 32-bit float.
+ input: 0x0 hword1 0x0 hword3
+ output: word0 word1
+ */
+ULong convert_from_bf16tofloat_helper( ULong src ) {
+ ULong result;
+ union convert_t conv;
+ conv.f = conv_bf16_to_float( (UInt)(src >> 32) );
+ result = (ULong) conv.u32;
+ conv.f = conv_bf16_to_float( (UInt)(src & 0xFFFFFFFF));
+ result = (result << 32) | (ULong) conv.u32;
+ return result;
+ }
+
void vsx_matrix_16bit_float_ger_dirty_helper( VexGuestPPC64State* gst,
UInt offset_ACC,
ULong srcA_hi, ULong srcA_lo,
@@ -2002,24 +2151,44 @@ void vsx_matrix_16bit_float_ger_dirty_helper( VexGuestPPC64State* gst,
srcB_word[0][j] = (UInt)((srcB_lo >> (16-16*j)) & mask);
}
+ /* Note the isa is not consistent in the src naming. Will use the
+ naming src10, src11, src20, src21 used with xvf16ger2 instructions.
+ */
for( j = 0; j < 4; j++) {
if (((pmsk >> 1) & 0x1) == 0) {
src10 = 0;
src20 = 0;
} else {
- src10 = conv_f16_to_double((ULong)srcA_word[i][0]);
- src20 = conv_f16_to_double((ULong)srcB_word[j][0]);
+ if (( inst == XVF16GER2 ) || ( inst == XVF16GER2PP )
+ || ( inst == XVF16GER2PN ) || ( inst == XVF16GER2NP )
+ || ( inst == XVF16GER2NN )) {
+ src10 = conv_f16_to_double((ULong)srcA_word[i][0]);
+ src20 = conv_f16_to_double((ULong)srcB_word[j][0]);
+ } else {
+ /* Input is in bfloat format, result is stored in the
+ "traditional" 64-bit float format. */
+ src10 = (double)conv_bf16_to_float((ULong)srcA_word[i][0]);
+ src20 = (double)conv_bf16_to_float((ULong)srcB_word[j][0]);
+ }
}
if ((pmsk & 0x1) == 0) {
src11 = 0;
src21 = 0;
} else {
- src11 = conv_f16_to_double((ULong)srcA_word[i][1]);
- src21 = conv_f16_to_double((ULong)srcB_word[j][1]);
+ if (( inst == XVF16GER2 ) || ( inst == XVF16GER2PP )
+ || ( inst == XVF16GER2PN ) || ( inst == XVF16GER2NP )
+ || ( inst == XVF16GER2NN )) {
+ src11 = conv_f16_to_double((ULong)srcA_word[i][1]);
+ src21 = conv_f16_to_double((ULong)srcB_word[j][1]);
+ } else {
+ /* Input is in bfloat format, result is stored in the
+ "traditional" 64-bit float format. */
+ src11 = (double)conv_bf16_to_float((ULong)srcA_word[i][1]);
+ src21 = (double)conv_bf16_to_float((ULong)srcB_word[j][1]);
+ }
}
-
prod = src10 * src20;
msum = prod + src11 * src21;
@@ -2027,26 +2196,26 @@ void vsx_matrix_16bit_float_ger_dirty_helper( VexGuestPPC64State* gst,
/* Note, we do not track the exception handling bits
ox, ux, xx, si, mz, vxsnan and vximz in the FPSCR. */
- if ( inst == XVF16GER2 )
+ if (( inst == XVF16GER2 ) || ( inst == XVBF16GER2 ) )
result[j] = reinterpret_float_as_int(
conv_double_to_float(msum) );
- else if ( inst == XVF16GER2PP )
+ else if (( inst == XVF16GER2PP ) || (inst == XVBF16GER2PP ))
result[j] = reinterpret_float_as_int(
conv_double_to_float(msum)
+ acc_word[j] );
- else if ( inst == XVF16GER2PN )
+ else if (( inst == XVF16GER2PN ) || ( inst == XVBF16GER2PN ))
result[j] = reinterpret_float_as_int(
conv_double_to_float(msum)
+ negate_float( acc_word[j] ) );
- else if ( inst == XVF16GER2NP )
+ else if (( inst == XVF16GER2NP ) || ( inst == XVBF16GER2NP ))
result[j] = reinterpret_float_as_int(
conv_double_to_float( negate_double( msum ) )
+ acc_word[j] );
- else if ( inst == XVF16GER2NN )
+ else if (( inst == XVF16GER2NN ) || ( inst == XVBF16GER2NN ))
result[j] = reinterpret_float_as_int(
conv_double_to_float( negate_double( msum ) )
+ negate_float( acc_word[j] ) );
diff --git a/VEX/priv/guest_ppc_toIR.c b/VEX/priv/guest_ppc_toIR.c
index 354be6b53..20553a539 100644
--- a/VEX/priv/guest_ppc_toIR.c
+++ b/VEX/priv/guest_ppc_toIR.c
@@ -5688,6 +5688,57 @@ static IRExpr * convert_from_national ( const VexAbiInfo* vbi, IRExpr *src ) {
return mkexpr( result );
}
+static IRExpr * vector_convert_floattobf16 ( const VexAbiInfo* vbi,
+ IRExpr *src ) {
+ /* The function takes 128-bit value containing four 32-bit floats and
+ returns a 128-bit value containint four 16-bit bfloats in the lower
+ halfwords. */
+
+ IRTemp resultHi = newTemp( Ity_I64);
+ IRTemp resultLo = newTemp( Ity_I64);
+
+ assign( resultHi,
+ mkIRExprCCall( Ity_I64, 0 /*regparms*/,
+ "vector_convert_floattobf16_helper",
+ fnptr_to_fnentry( vbi,
+ &convert_from_floattobf16_helper ),
+ mkIRExprVec_1( unop( Iop_V128HIto64, src ) ) ) );
+
+ assign( resultLo,
+ mkIRExprCCall( Ity_I64, 0 /*regparms*/,
+ "vector_convert_floattobf16_helper",
+ fnptr_to_fnentry( vbi,
+ &convert_from_floattobf16_helper ),
+ mkIRExprVec_1( unop( Iop_V128to64, src ) ) ) );
+
+ return binop( Iop_64HLtoV128, mkexpr( resultHi ), mkexpr( resultLo ) );
+}
+
+static IRExpr * vector_convert_bf16tofloat ( const VexAbiInfo* vbi,
+ IRExpr *src ) {
+ /* The function takes 128-bit value containing four 16-bit bfloats in
+ the lower halfwords and returns a 128-bit value containint four
+ 32-bit floats. */
+ IRTemp resultHi = newTemp( Ity_I64);
+ IRTemp resultLo = newTemp( Ity_I64);
+
+ assign( resultHi,
+ mkIRExprCCall( Ity_I64, 0 /*regparms*/,
+ "vector_convert_bf16tofloat_helper",
+ fnptr_to_fnentry( vbi,
+ &convert_from_bf16tofloat_helper ),
+ mkIRExprVec_1( unop( Iop_V128HIto64, src ) ) ) );
+
+ assign( resultLo,
+ mkIRExprCCall( Ity_I64, 0 /*regparms*/,
+ "vector_convert_bf16tofloat_helper",
+ fnptr_to_fnentry( vbi,
+ &convert_from_bf16tofloat_helper ),
+ mkIRExprVec_1( unop( Iop_V128to64, src ) ) ) );
+
+ return binop( Iop_64HLtoV128, mkexpr( resultHi ), mkexpr( resultLo ) );
+}
+
static IRExpr * popcnt64 ( const VexAbiInfo* vbi,
IRExpr *src ){
/* The function takes a 64-bit source and counts the number of bits in the
@@ -5936,6 +5987,7 @@ static void vsx_matrix_ger ( const VexAbiInfo* vbi,
case XVI16GER2:
case XVI16GER2S:
case XVF16GER2:
+ case XVBF16GER2:
case XVF32GER:
AT_fx = Ifx_Write;
break;
@@ -5943,6 +5995,10 @@ static void vsx_matrix_ger ( const VexAbiInfo* vbi,
case XVI8GER4PP:
case XVI16GER2PP:
case XVI16GER2SPP:
+ case XVBF16GER2PP:
+ case XVBF16GER2PN:
+ case XVBF16GER2NP:
+ case XVBF16GER2NN:
case XVF16GER2PP:
case XVF16GER2PN:
case XVF16GER2NP:
@@ -23899,6 +23955,24 @@ dis_vxs_misc( UInt prefix, UInt theInstr, const VexAbiInfo* vbi, UInt opc2,
mkexpr( sub_element1 ),
mkexpr( sub_element0 ) ) ) );
+ } else if ((inst_select == 16) && !prefix) {
+ IRTemp result = newTemp(Ity_V128);
+ UChar xT_addr = ifieldRegXT ( theInstr );
+ UChar xB_addr = ifieldRegXB ( theInstr );
+ /* Convert 16-bit bfloat to 32-bit float, not a prefix inst */
+ DIP("xvcvbf16sp v%u,v%u\n", xT_addr, xB_addr);
+ assign( result, vector_convert_bf16tofloat( vbi, mkexpr( vB ) ) );
+ putVSReg( XT, mkexpr( result) );
+
+ } else if ((inst_select == 17) && !prefix) {
+ IRTemp result = newTemp(Ity_V128);
+ UChar xT_addr = ifieldRegXT ( theInstr );
+ UChar xB_addr = ifieldRegXB ( theInstr );
+ /* Convert 32-bit float to 16-bit bfloat, not a prefix inst */
+ DIP("xvcvspbf16 v%u,v%u\n", xT_addr, xB_addr);
+ assign( result, vector_convert_floattobf16( vbi, mkexpr( vB ) ) );
+ putVSReg( XT, mkexpr( result) );
+
} else if (inst_select == 23) {
DIP("xxbrd v%u, v%u\n", (UInt)XT, (UInt)XB);
@@ -34956,6 +35030,41 @@ static Bool dis_vsx_accumulator_prefix ( UInt prefix, UInt theInstr,
getVSReg( rB_addr ), AT,
( ( inst_prefix << 8 ) | XO ) );
break;
+ case XVBF16GER2:
+ DIP("xvbf16ger2 %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ), AT,
+ ( ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVBF16GER2PP:
+ DIP("xvbf16ger2pp %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ), AT,
+ ( ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVBF16GER2PN:
+ DIP("xvbf16ger2pn %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ), AT,
+ ( ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVBF16GER2NP:
+ DIP("xvbf16ger2np %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ), AT,
+ ( ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVBF16GER2NN:
+ DIP("xvbf16ger2nn %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ), AT,
+ ( ( inst_prefix << 8 ) | XO ) );
+ break;
case XVF32GER:
DIP("xvf32ger %u,r%u, r%u\n", AT, rA_addr, rB_addr);
vsx_matrix_ger( vbi, MATRIX_32BIT_FLOAT_GER,
@@ -35106,6 +35215,61 @@ static Bool dis_vsx_accumulator_prefix ( UInt prefix, UInt theInstr,
AT,
( (MASKS << 9 ) | ( inst_prefix << 8 ) | XO ) );
break;
+ case XVBF16GER2:
+ PMSK = IFIELD( prefix, 14, 2);
+ XMSK = IFIELD( prefix, 4, 4);
+ YMSK = IFIELD( prefix, 0, 4);
+ DIP("pmxvbf16ger2 %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ),
+ AT, ( (MASKS << 9 )
+ | ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVBF16GER2PP:
+ PMSK = IFIELD( prefix, 14, 2);
+ XMSK = IFIELD( prefix, 4, 4);
+ YMSK = IFIELD( prefix, 0, 4);
+ DIP("pmxvbf16ger2pp %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ),
+ AT, ( (MASKS << 9 )
+ | ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVBF16GER2PN:
+ PMSK = IFIELD( prefix, 14, 2);
+ XMSK = IFIELD( prefix, 4, 4);
+ YMSK = IFIELD( prefix, 0, 4);
+ DIP("pmxvbf16ger2pn %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ),
+ AT, ( (MASKS << 9 )
+ | ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVBF16GER2NP:
+ PMSK = IFIELD( prefix, 14, 2);
+ XMSK = IFIELD( prefix, 4, 4);
+ YMSK = IFIELD( prefix, 0, 4);
+ DIP("pmxvbf16ger2np %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ),
+ AT, ( (MASKS << 9 )
+ | ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVBF16GER2NN:
+ PMSK = IFIELD( prefix, 14, 2);
+ XMSK = IFIELD( prefix, 4, 4);
+ YMSK = IFIELD( prefix, 0, 4);
+ DIP("pmxvbf16ger2nn %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
+ getVSReg( rA_addr ),
+ getVSReg( rB_addr ),
+ AT, ( (MASKS << 9 )
+ | ( inst_prefix << 8 ) | XO ) );
+ break;
case XVF16GER2:
PMSK = IFIELD( prefix, 14, 2);
XMSK = IFIELD( prefix, 4, 4);
@@ -36181,6 +36345,11 @@ DisResult disInstr_PPC_WRK (
(opc2 == XVI4GER8PP) || // xvi4ger8pp
(opc2 == XVI8GER4) || // xvi8ger4
(opc2 == XVI8GER4PP) || // xvi8ger4pp
+ (opc2 == XVBF16GER2) || // xvbf16ger2
+ (opc2 == XVBF16GER2PP) || // xvbf16ger2pp
+ (opc2 == XVBF16GER2PN) || // xvbf16ger2pn
+ (opc2 == XVBF16GER2NP) || // xvbf16ger2np
+ (opc2 == XVBF16GER2NN) || // xvbf16ger2nn
(opc2 == XVF16GER2) || // xvf16ger2
(opc2 == XVF16GER2PP) || // xvf16ger2pp
(opc2 == XVF16GER2PN) || // xvf16ger2pn
commit e09fdaf569b975717465ed8043820d0198d4d47d
Author: Carl Love <cel@us.ibm.com>
Date: Fri Feb 26 16:05:12 2021 -0600
PPC64: Reduced-Precision: Missing Integer-based Outer Product Operations
Add support for:
pmxvi16ger2 VSX Vector 16-bit Signed Integer GER (rank-2 update), Prefixed
Masked
pmxvi16ger2pp VSX Vector 16-bit Signed Integer GER (rank-2 update) (Positive
multiply, Positive accumulate), Prefixed Masked
pmxvi8ger4spp VSX Vector 8-bit Signed/Unsigned Integer GER (rank-4 update) with
Saturation (Positive multiply, Positive accumulate), Prefixed Masked
xvi16ger2 VSX Vector 16-bit Signed Integer GER (rank-2 update)
xvi16ger2pp VSX Vector 16-bit Signed Integer GER (rank-2 update) (Positive
multiply, Positive accumulate)
xvi8ger4spp VSX Vector 8-bit Signed/Unsigned Integer GER (rank-4 update) with
Saturation (Positive multiply, Positive accumulate)
diff --git a/VEX/priv/guest_ppc_helpers.c b/VEX/priv/guest_ppc_helpers.c
index 6bcee966d..d8131eb60 100644
--- a/VEX/priv/guest_ppc_helpers.c
+++ b/VEX/priv/guest_ppc_helpers.c
@@ -1446,16 +1446,16 @@ static UInt exts4( UInt src)
return src & 0xF; /* make sure high order bits are zero */
}
-static UInt exts8( UInt src)
+static ULong exts8( UInt src)
{
- /* Input is an 8-bit value. Extend bit 7 to bits [31:8] */
+ /* Input is an 8-bit value. Extend bit 7 to bits [63:8] */
if (( src >> 7 ) & 0x1)
- return src | 0xFFFFFF00; /* sign bit is a 1, extend */
+ return src | 0xFFFFFFFFFFFFFF00ULL; /* sign bit is a 1, extend */
else
return src & 0xFF; /* make sure high order bits are zero */
}
-static UInt extz8( UInt src)
+static ULong extz8( UInt src)
{
/* Input is an 8-bit value. Extend src on the left with zeros. */
return src & 0xFF; /* make sure high order bits are zero */
@@ -1662,12 +1662,12 @@ void vsx_matrix_8bit_ger_dirty_helper( VexGuestPPC64State* gst,
ULong srcB_hi, ULong srcB_lo,
UInt masks_inst )
{
- UInt i, j, mask, sum, inst, acc_entry, prefix_inst;
+ UInt i, j, mask, inst, acc_entry, prefix_inst;
UInt srcA_bytes[4][4]; /* word, byte */
UInt srcB_bytes[4][4]; /* word, byte */
UInt acc_word[4];
- UInt prod0, prod1, prod2, prod3;
+ ULong prod0, prod1, prod2, prod3, sum;
UInt result[4];
UInt pmsk = 0;
UInt xmsk = 0;
@@ -1742,10 +1742,13 @@ void vsx_matrix_8bit_ger_dirty_helper( VexGuestPPC64State* gst,
sum = prod0 + prod1 + prod2 + prod3;
if ( inst == XVI8GER4 )
- result[j] = sum;
+ result[j] = chop64to32( sum );
else if ( inst == XVI8GER4PP )
- result[j] = sum + acc_word[j];
+ result[j] = chop64to32( sum + acc_word[j] );
+
+ else if ( inst == XVI8GER4SPP )
+ result[j] = clampS64toS32(sum + acc_word[j]);
} else {
result[j] = 0;
@@ -1821,7 +1824,7 @@ void vsx_matrix_16bit_ger_dirty_helper( VexGuestPPC64State* gst,
else
prod1 = exts16to64( srcA_word[i][1] )
* exts16to64( srcB_word[j][1] );
- /* sum is UInt so the result is choped to 32-bits */
+
sum = prod0 + prod1;
if ( inst == XVI16GER2 )
@@ -1830,13 +1833,11 @@ void vsx_matrix_16bit_ger_dirty_helper( VexGuestPPC64State* gst,
else if ( inst == XVI16GER2S )
result[j] = clampS64toS32( sum );
- else if ( inst == XVI16GER2PP ) {
+ else if ( inst == XVI16GER2PP )
result[j] = chop64to32( sum + acc_word[j] );
- }
- else if ( inst == XVI16GER2SPP ) {
+ else if ( inst == XVI16GER2SPP )
result[j] = clampS64toS32( sum + acc_word[j] );
- }
} else {
result[j] = 0;
diff --git a/VEX/priv/guest_ppc_toIR.c b/VEX/priv/guest_ppc_toIR.c
index 20553a539..e54f0f389 100644
--- a/VEX/priv/guest_ppc_toIR.c
+++ b/VEX/priv/guest_ppc_toIR.c
@@ -5993,6 +5993,7 @@ static void vsx_matrix_ger ( const VexAbiInfo* vbi,
break;
case XVI4GER8PP:
case XVI8GER4PP:
+ case XVI8GER4SPP:
case XVI16GER2PP:
case XVI16GER2SPP:
case XVBF16GER2PP:
@@ -34983,6 +34984,12 @@ static Bool dis_vsx_accumulator_prefix ( UInt prefix, UInt theInstr,
getVSReg( rA_addr ), getVSReg( rB_addr ),
AT, ( ( inst_prefix << 8 ) | XO ) );
break;
+ case XVI8GER4SPP:
+ DIP("xvi8ger4spp %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_8BIT_INT_GER,
+ getVSReg( rA_addr ), getVSReg( rB_addr ),
+ AT, ( ( inst_prefix << 8 ) | XO ) );
+ break;
case XVI16GER2S:
DIP("xvi16ger2s %u,r%u, r%u\n", AT, rA_addr, rB_addr);
vsx_matrix_ger( vbi, MATRIX_16BIT_INT_GER,
@@ -34995,6 +35002,19 @@ static Bool dis_vsx_accumulator_prefix ( UInt prefix, UInt theInstr,
getVSReg( rA_addr ), getVSReg( rB_addr ),
AT, ( ( inst_prefix << 8 ) | XO ) );
break;
+ case XVI16GER2:
+ DIP("xvi16ger2 %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_INT_GER,
+ getVSReg( rA_addr ), getVSReg( rB_addr ),
+ AT, ( ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVI16GER2PP:
+ DIP("xvi16ger2pp %u,r%u, r%u\n", AT, rA_addr, rB_addr);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_INT_GER,
+ getVSReg( rA_addr ), getVSReg( rB_addr ),
+ AT, ( ( inst_prefix << 8 ) | XO ) );
+ break;
+
case XVF16GER2:
DIP("xvf16ger2 %u,r%u, r%u\n", AT, rA_addr, rB_addr);
vsx_matrix_ger( vbi, MATRIX_16BIT_FLOAT_GER,
@@ -35193,6 +35213,39 @@ static Bool dis_vsx_accumulator_prefix ( UInt prefix, UInt theInstr,
AT,
( (MASKS << 9 ) | ( inst_prefix << 8 ) | XO ) );
break;
+ case XVI8GER4SPP:
+ PMSK = IFIELD( prefix, 12, 4);
+ XMSK = IFIELD( prefix, 4, 4);
+ YMSK = IFIELD( prefix, 0, 4);
+ DIP("pmxvi8ger4spp %u,r%u, r%u,%u,%u,%u\n",
+ AT, rA_addr, rB_addr, XMSK, YMSK, PMSK);
+ vsx_matrix_ger( vbi, MATRIX_8BIT_INT_GER,
+ getVSReg( rA_addr ), getVSReg( rB_addr ),
+ AT,
+ ( (MASKS << 9 ) | ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVI16GER2:
+ PMSK = IFIELD( prefix, 12, 4);
+ XMSK = IFIELD( prefix, 4, 4);
+ YMSK = IFIELD( prefix, 0, 4);
+ DIP("pmxvi16ger2 %u,r%u, r%u,%u,%u,%u\n",
+ AT, rA_addr, rB_addr, XMSK, YMSK, PMSK);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_INT_GER,
+ getVSReg( rA_addr ), getVSReg( rB_addr ),
+ AT,
+ ( (MASKS << 9 ) | ( inst_prefix << 8 ) | XO ) );
+ break;
+ case XVI16GER2PP:
+ PMSK = IFIELD( prefix, 12, 4);
+ XMSK = IFIELD( prefix, 4, 4);
+ YMSK = IFIELD( prefix, 0, 4);
+ DIP("pmxvi16ger2pp %u,r%u, r%u,%u,%u,%u\n",
+ AT, rA_addr, rB_addr, XMSK, YMSK, PMSK);
+ vsx_matrix_ger( vbi, MATRIX_16BIT_INT_GER,
+ getVSReg( rA_addr ), getVSReg( rB_addr ),
+ AT,
+ ( (MASKS << 9 ) | ( inst_prefix << 8 ) | XO ) );
+ break;
case XVI16GER2S:
PMSK = IFIELD( prefix, 14, 2);
XMSK = IFIELD( prefix, 4, 4);
@@ -36345,6 +36398,9 @@ DisResult disInstr_PPC_WRK (
(opc2 == XVI4GER8PP) || // xvi4ger8pp
(opc2 == XVI8GER4) || // xvi8ger4
(opc2 == XVI8GER4PP) || // xvi8ger4pp
+ (opc2 == XVI8GER4SPP) || // xvi8ger4spp
+ (opc2 == XVI16GER2) || // xvi16ger2
+ (opc2 == XVI16GER2PP) || // xvi16ger2pp
(opc2 == XVBF16GER2) || // xvbf16ger2
(opc2 == XVBF16GER2PP) || // xvbf16ger2pp
(opc2 == XVBF16GER2PN) || // xvbf16ger2pn
Reference in New Issue Copy Permalink