41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
commit 6c07dca0af0527226ec9784fbb703526887f09c0
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Author: sewardj <sewardj@8f6e269a-dfd6-0310-a8e1-e2731360e62c>
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Date: Tue Mar 26 10:27:39 2013 +0000
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Implement SSE4 MOVNTDQA insn. Fixes #316503.
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(Patrick J. LoPresti, lopresti@gmail.com)
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git-svn-id: svn://svn.valgrind.org/vex/trunk@2700 8f6e269a-dfd6-0310-a8e1-e2731360e62c
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diff --git a/VEX/priv/guest_amd64_toIR.c b/VEX/priv/guest_amd64_toIR.c
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index 1034971..7e98e76 100644
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--- a/VEX/priv/guest_amd64_toIR.c
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+++ b/VEX/priv/guest_amd64_toIR.c
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@@ -16378,6 +16378,25 @@ Long dis_ESC_0F38__SSE4 ( Bool* decode_OK,
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}
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break;
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+ case 0x2A:
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+ /* 66 0F 38 2A = MOVNTDQA
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+ "non-temporal" "streaming" load
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+ Handle like MOVDQA but only memory operand is allowed */
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+ if (have66noF2noF3(pfx) && sz == 2) {
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+ modrm = getUChar(delta);
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+ if (!epartIsReg(modrm)) {
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+ addr = disAMode ( &alen, vbi, pfx, delta, dis_buf, 0 );
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+ gen_SEGV_if_not_16_aligned( addr );
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+ putXMMReg( gregOfRexRM(pfx,modrm),
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+ loadLE(Ity_V128, mkexpr(addr)) );
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+ DIP("movntdqa %s,%s\n", dis_buf,
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+ nameXMMReg(gregOfRexRM(pfx,modrm)));
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+ delta += alen;
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+ goto decode_success;
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+ }
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+ }
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+ break;
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+
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case 0x2B:
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/* 66 0f 38 2B /r = PACKUSDW xmm1, xmm2/m128
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2x 32x4 S->U saturating narrow from xmm2/m128 to xmm1 */
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