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8ccdd26200
gcc/gcc9-pr70341.patch
Jakub Jelinek 8ccdd26200 9.0.1-0.8
2019-02-27 15:29:11 +01:00

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2019-02-23 Jakub Jelinek <jakub@redhat.com>
PR target/70341
* config/arm/arm.md (arm_casesi_internal): New define_expand. Rename
old define_insn to ...
(*arm_casesi_internal): ... this. Add mode to LABEL_REFs.
* config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
Rename old define_insn to ...
(*thumb2_casesi_internal): ... this. Add mode to LABEL_REFs.
(thumb2_casesi_internal_pic): New define_expand. Rename old
define_insn to ...
(*thumb2_casesi_internal_pic): ... this. Add mode to LABEL_REFs.
* config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
--- gcc/config/arm/arm.md.jj 2019-02-18 20:48:32.643732307 +0100
+++ gcc/config/arm/arm.md 2019-02-21 14:40:50.603452028 +0100
@@ -8914,16 +8914,35 @@ (define_expand "casesi"
;; The USE in this pattern is needed to tell flow analysis that this is
;; a CASESI insn. It has no other purpose.
-(define_insn "arm_casesi_internal"
+(define_expand "arm_casesi_internal"
+ [(parallel [(set (pc)
+ (if_then_else
+ (leu (match_operand:SI 0 "s_register_operand")
+ (match_operand:SI 1 "arm_rhs_operand"))
+ (match_dup 4)
+ (label_ref:SI (match_operand 3 ""))))
+ (clobber (reg:CC CC_REGNUM))
+ (use (label_ref:SI (match_operand 2 "")))])]
+ "TARGET_ARM"
+{
+ operands[4] = gen_rtx_MULT (SImode, operands[0], GEN_INT (4));
+ operands[4] = gen_rtx_PLUS (SImode, operands[4],
+ gen_rtx_LABEL_REF (SImode, operands[2]));
+ operands[4] = gen_rtx_MEM (SImode, operands[4]);
+ MEM_READONLY_P (operands[4]) = 1;
+ MEM_NOTRAP_P (operands[4]) = 1;
+})
+
+(define_insn "*arm_casesi_internal"
[(parallel [(set (pc)
(if_then_else
(leu (match_operand:SI 0 "s_register_operand" "r")
(match_operand:SI 1 "arm_rhs_operand" "rI"))
(mem:SI (plus:SI (mult:SI (match_dup 0) (const_int 4))
- (label_ref (match_operand 2 "" ""))))
- (label_ref (match_operand 3 "" ""))))
+ (label_ref:SI (match_operand 2 "" ""))))
+ (label_ref:SI (match_operand 3 "" ""))))
(clobber (reg:CC CC_REGNUM))
- (use (label_ref (match_dup 2)))])]
+ (use (label_ref:SI (match_dup 2)))])]
"TARGET_ARM"
"*
if (flag_pic)
--- gcc/config/arm/thumb2.md.jj 2019-01-01 12:37:28.280792453 +0100
+++ gcc/config/arm/thumb2.md 2019-02-21 15:00:26.811137210 +0100
@@ -1079,17 +1079,37 @@ (define_insn "thumb2_zero_extendqisi2_v6
(set_attr "neg_pool_range" "*,250")]
)
-(define_insn "thumb2_casesi_internal"
+(define_expand "thumb2_casesi_internal"
+ [(parallel [(set (pc)
+ (if_then_else
+ (leu (match_operand:SI 0 "s_register_operand")
+ (match_operand:SI 1 "arm_rhs_operand"))
+ (match_dup 4)
+ (label_ref:SI (match_operand 3 ""))))
+ (clobber (reg:CC CC_REGNUM))
+ (clobber (match_scratch:SI 5))
+ (use (label_ref:SI (match_operand 2 "")))])]
+ "TARGET_THUMB2 && !flag_pic"
+{
+ operands[4] = gen_rtx_MULT (SImode, operands[0], GEN_INT (4));
+ operands[4] = gen_rtx_PLUS (SImode, operands[4],
+ gen_rtx_LABEL_REF (SImode, operands[2]));
+ operands[4] = gen_rtx_MEM (SImode, operands[4]);
+ MEM_READONLY_P (operands[4]) = 1;
+ MEM_NOTRAP_P (operands[4]) = 1;
+})
+
+(define_insn "*thumb2_casesi_internal"
[(parallel [(set (pc)
(if_then_else
(leu (match_operand:SI 0 "s_register_operand" "r")
(match_operand:SI 1 "arm_rhs_operand" "rI"))
(mem:SI (plus:SI (mult:SI (match_dup 0) (const_int 4))
- (label_ref (match_operand 2 "" ""))))
- (label_ref (match_operand 3 "" ""))))
+ (label_ref:SI (match_operand 2 "" ""))))
+ (label_ref:SI (match_operand 3 "" ""))))
(clobber (reg:CC CC_REGNUM))
(clobber (match_scratch:SI 4 "=&r"))
- (use (label_ref (match_dup 2)))])]
+ (use (label_ref:SI (match_dup 2)))])]
"TARGET_THUMB2 && !flag_pic"
"* return thumb2_output_casesi(operands);"
[(set_attr "conds" "clob")
@@ -1097,18 +1117,39 @@ (define_insn "thumb2_casesi_internal"
(set_attr "type" "multiple")]
)
-(define_insn "thumb2_casesi_internal_pic"
+(define_expand "thumb2_casesi_internal_pic"
+ [(parallel [(set (pc)
+ (if_then_else
+ (leu (match_operand:SI 0 "s_register_operand")
+ (match_operand:SI 1 "arm_rhs_operand"))
+ (match_dup 4)
+ (label_ref:SI (match_operand 3 ""))))
+ (clobber (reg:CC CC_REGNUM))
+ (clobber (match_scratch:SI 5))
+ (clobber (match_scratch:SI 6))
+ (use (label_ref:SI (match_operand 2 "")))])]
+ "TARGET_THUMB2 && flag_pic"
+{
+ operands[4] = gen_rtx_MULT (SImode, operands[0], GEN_INT (4));
+ operands[4] = gen_rtx_PLUS (SImode, operands[4],
+ gen_rtx_LABEL_REF (SImode, operands[2]));
+ operands[4] = gen_rtx_MEM (SImode, operands[4]);
+ MEM_READONLY_P (operands[4]) = 1;
+ MEM_NOTRAP_P (operands[4]) = 1;
+})
+
+(define_insn "*thumb2_casesi_internal_pic"
[(parallel [(set (pc)
(if_then_else
(leu (match_operand:SI 0 "s_register_operand" "r")
(match_operand:SI 1 "arm_rhs_operand" "rI"))
(mem:SI (plus:SI (mult:SI (match_dup 0) (const_int 4))
- (label_ref (match_operand 2 "" ""))))
- (label_ref (match_operand 3 "" ""))))
+ (label_ref:SI (match_operand 2 "" ""))))
+ (label_ref:SI (match_operand 3 "" ""))))
(clobber (reg:CC CC_REGNUM))
(clobber (match_scratch:SI 4 "=&r"))
(clobber (match_scratch:SI 5 "=r"))
- (use (label_ref (match_dup 2)))])]
+ (use (label_ref:SI (match_dup 2)))])]
"TARGET_THUMB2 && flag_pic"
"* return thumb2_output_casesi(operands);"
[(set_attr "conds" "clob")
--- gcc/config/aarch64/aarch64.md.jj 2019-01-19 09:39:18.847831222 +0100
+++ gcc/config/aarch64/aarch64.md 2019-02-21 15:25:27.874532191 +0100
@@ -622,13 +622,27 @@ (define_expand "casesi"
operands[0], operands[2], operands[4]));
operands[2] = force_reg (DImode, gen_rtx_LABEL_REF (DImode, operands[3]));
- emit_jump_insn (gen_casesi_dispatch (operands[2], operands[0],
- operands[3]));
+ operands[2]
+ = gen_rtx_UNSPEC (Pmode, gen_rtvec (2, operands[2], operands[0]),
+ UNSPEC_CASESI);
+ operands[2] = gen_rtx_MEM (DImode, operands[2]);
+ MEM_READONLY_P (operands[2]) = 1;
+ MEM_NOTRAP_P (operands[2]) = 1;
+ emit_jump_insn (gen_casesi_dispatch (operands[2], operands[3]));
DONE;
}
)
-(define_insn "casesi_dispatch"
+(define_expand "casesi_dispatch"
+ [(parallel
+ [(set (pc) (match_operand:DI 0 ""))
+ (clobber (reg:CC CC_REGNUM))
+ (clobber (match_scratch:DI 2))
+ (clobber (match_scratch:DI 3))
+ (use (label_ref:DI (match_operand 1 "")))])]
+ "")
+
+(define_insn "*casesi_dispatch"
[(parallel
[(set (pc)
(mem:DI (unspec [(match_operand:DI 0 "register_operand" "r")
@@ -637,7 +651,7 @@ (define_insn "casesi_dispatch"
(clobber (reg:CC CC_REGNUM))
(clobber (match_scratch:DI 3 "=r"))
(clobber (match_scratch:DI 4 "=r"))
- (use (label_ref (match_operand 2 "" "")))])]
+ (use (label_ref:DI (match_operand 2 "" "")))])]
""
"*
return aarch64_output_casesi (operands);
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