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liblink: fix encoding of SETcc for amd64

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liblink used to encode both SETEQ BP and SETEQ CH as 0f 94 c5,
however, SETEQ BP should have used a REX prefix.

Fixes #8545.

Change-Id: Ie59c990cdd0ec506cffe4318e9ad1b48db5e57dd
Reviewed-on: https://go-review.googlesource.com/2270
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
Shenghou Ma 2015-01-02 16:30:08 -05:00 committed by Minux Ma
parent 48d63035ce
commit 281ae92881
1 changed files with 16 additions and 16 deletions
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32
src/liblink/asm6.c
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@ -1289,22 +1289,22 @@ static Optab optab[] =
{ ASCASL, ynone, Px, {0xaf} },
{ ASCASQ, ynone, Pw, {0xaf} },
{ ASCASW, ynone, Pe, {0xaf} },
{ ASETCC, yscond, Pm, {0x93,(00)} },
{ ASETCS, yscond, Pm, {0x92,(00)} },
{ ASETEQ, yscond, Pm, {0x94,(00)} },
{ ASETGE, yscond, Pm, {0x9d,(00)} },
{ ASETGT, yscond, Pm, {0x9f,(00)} },
{ ASETHI, yscond, Pm, {0x97,(00)} },
{ ASETLE, yscond, Pm, {0x9e,(00)} },
{ ASETLS, yscond, Pm, {0x96,(00)} },
{ ASETLT, yscond, Pm, {0x9c,(00)} },
{ ASETMI, yscond, Pm, {0x98,(00)} },
{ ASETNE, yscond, Pm, {0x95,(00)} },
{ ASETOC, yscond, Pm, {0x91,(00)} },
{ ASETOS, yscond, Pm, {0x90,(00)} },
{ ASETPC, yscond, Pm, {0x9b,(00)} },
{ ASETPL, yscond, Pm, {0x99,(00)} },
{ ASETPS, yscond, Pm, {0x9a,(00)} },
{ ASETCC, yscond, Pb, {0x0f,0x93,(00)} },
{ ASETCS, yscond, Pb, {0x0f,0x92,(00)} },
{ ASETEQ, yscond, Pb, {0x0f,0x94,(00)} },
{ ASETGE, yscond, Pb, {0x0f,0x9d,(00)} },
{ ASETGT, yscond, Pb, {0x0f,0x9f,(00)} },
{ ASETHI, yscond, Pb, {0x0f,0x97,(00)} },
{ ASETLE, yscond, Pb, {0x0f,0x9e,(00)} },
{ ASETLS, yscond, Pb, {0x0f,0x96,(00)} },
{ ASETLT, yscond, Pb, {0x0f,0x9c,(00)} },
{ ASETMI, yscond, Pb, {0x0f,0x98,(00)} },
{ ASETNE, yscond, Pb, {0x0f,0x95,(00)} },
{ ASETOC, yscond, Pb, {0x0f,0x91,(00)} },
{ ASETOS, yscond, Pb, {0x0f,0x90,(00)} },
{ ASETPC, yscond, Pb, {0x0f,0x9b,(00)} },
{ ASETPL, yscond, Pb, {0x0f,0x99,(00)} },
{ ASETPS, yscond, Pb, {0x0f,0x9a,(00)} },
{ ASHLB, yshb, Pb, {0xd0,(04),0xc0,(04),0xd2,(04)} },
{ ASHLL, yshl, Px, {0xd1,(04),0xc1,(04),0xd3,(04),0xd3,(04)} },
{ ASHLQ, yshl, Pw, {0xd1,(04),0xc1,(04),0xd3,(04),0xd3,(04)} },