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From: <sv...@va...> - 2014-11-07 10:08:29
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Author: sewardj
Date: Fri Nov 7 10:08:21 2014
New Revision: 2988
Log:
Fix incorrect decoding of AVX2 insns:
VPBROADCASTB xmm, xmm
VPBROADCASTB xmm, ymm
VPBROADCASTW xmm, xmm
VPBROADCASTW xmm, ymm
Fixes #340725.
Modified:
trunk/priv/guest_amd64_toIR.c
Modified: trunk/priv/guest_amd64_toIR.c
==============================================================================
--- trunk/priv/guest_amd64_toIR.c (original)
+++ trunk/priv/guest_amd64_toIR.c Fri Nov 7 10:08:21 2014
@@ -28661,6 +28661,7 @@
IRTemp t8 = newTemp(Ity_I8);
if (epartIsReg(modrm)) {
UInt rE = eregOfRexRM(pfx, modrm);
+ delta++;
DIP("vpbroadcastb %s,%s\n", nameXMMReg(rE), nameXMMReg(rG));
assign(t8, unop(Iop_32to8, getXMMRegLane32(rE, 0)));
} else {
@@ -28687,6 +28688,7 @@
IRTemp t8 = newTemp(Ity_I8);
if (epartIsReg(modrm)) {
UInt rE = eregOfRexRM(pfx, modrm);
+ delta++;
DIP("vpbroadcastb %s,%s\n", nameXMMReg(rE), nameYMMReg(rG));
assign(t8, unop(Iop_32to8, getXMMRegLane32(rE, 0)));
} else {
@@ -28717,6 +28719,7 @@
IRTemp t16 = newTemp(Ity_I16);
if (epartIsReg(modrm)) {
UInt rE = eregOfRexRM(pfx, modrm);
+ delta++;
DIP("vpbroadcastw %s,%s\n", nameXMMReg(rE), nameXMMReg(rG));
assign(t16, unop(Iop_32to16, getXMMRegLane32(rE, 0)));
} else {
@@ -28741,6 +28744,7 @@
IRTemp t16 = newTemp(Ity_I16);
if (epartIsReg(modrm)) {
UInt rE = eregOfRexRM(pfx, modrm);
+ delta++;
DIP("vpbroadcastw %s,%s\n", nameXMMReg(rE), nameYMMReg(rG));
assign(t16, unop(Iop_32to16, getXMMRegLane32(rE, 0)));
} else {
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