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authorDamien Lespiau <damien.lespiau@intel.com>2017-04-26 16:53:02 +0100
committerBrad Fitzpatrick <bradfitz@golang.org>2017-04-26 20:41:12 +0000
commit92d918da032fa229e2909c0bdacbf8587bb96e08 (patch)
tree37a1dadd45b9b70f57df55f834fe405da2afc0a5 /src
parent92607fdd304c1d2f1be243a8bf0fc1b8224d2c18 (diff)
downloadgo-92d918da032fa229e2909c0bdacbf8587bb96e08.tar.xz
cmd/internal/obj/x86: fix adcb r/mem8,reg8 encoding
Taken from the Intel Software Development Manual (of course, in the line below it's ADC DST, SRC; The opposite of the commit subject). 12 /r ADC r8, r/m8 We need 0x12 for the corresponding ytab line, not 0x10. {Ymb, Ynone, Yrb, Zm_r, 1}, Updates #14069 Change-Id: Id37cbd0c581c9988c2de355efa908956278e2189 Reviewed-on: https://go-review.googlesource.com/41857 Reviewed-by: Keith Randall <khr@golang.org>
Diffstat (limited to 'src')
-rw-r--r--src/cmd/asm/internal/asm/testdata/amd64enc.s8
-rw-r--r--src/cmd/internal/obj/x86/asm6.go2
2 files changed, 5 insertions, 5 deletions
diff --git a/src/cmd/asm/internal/asm/testdata/amd64enc.s b/src/cmd/asm/internal/asm/testdata/amd64enc.s
index 3d6061f839..72f29c8fbd 100644
--- a/src/cmd/asm/internal/asm/testdata/amd64enc.s
+++ b/src/cmd/asm/internal/asm/testdata/amd64enc.s
@@ -80,10 +80,10 @@ TEXT asmtest(SB),DUPOK|NOSPLIT,$0
ADCQ (R11), DX // 491313
ADCQ (BX), R11 // 4c131b
ADCQ (R11), R11 // 4d131b
- //TODO: ADCB (BX), DL // 1213
- //TODO: ADCB (R11), DL // 411213
- //TODO: ADCB (BX), R11 // 44121b
- //TODO: ADCB (R11), R11 // 45121b
+ ADCB (BX), DL // 1213
+ ADCB (R11), DL // 411213
+ ADCB (BX), R11 // 44121b
+ ADCB (R11), R11 // 45121b
//TODO: ADCXL (BX), DX // 660f38f613
//TODO: ADCXL (R11), DX // 66410f38f613
//TODO: ADCXL DX, DX // 660f38f6d2
diff --git a/src/cmd/internal/obj/x86/asm6.go b/src/cmd/internal/obj/x86/asm6.go
index 630ef526df..e2270747ce 100644
--- a/src/cmd/internal/obj/x86/asm6.go
+++ b/src/cmd/internal/obj/x86/asm6.go
@@ -945,7 +945,7 @@ var optab =
{AAAD, ynone, P32, [23]uint8{0xd5, 0x0a}},
{AAAM, ynone, P32, [23]uint8{0xd4, 0x0a}},
{AAAS, ynone, P32, [23]uint8{0x3f}},
- {AADCB, yxorb, Pb, [23]uint8{0x14, 0x80, 02, 0x10, 0x10}},
+ {AADCB, yxorb, Pb, [23]uint8{0x14, 0x80, 02, 0x10, 0x12}},
{AADCL, yaddl, Px, [23]uint8{0x83, 02, 0x15, 0x81, 02, 0x11, 0x13}},
{AADCQ, yaddl, Pw, [23]uint8{0x83, 02, 0x15, 0x81, 02, 0x11, 0x13}},
{AADCW, yaddl, Pe, [23]uint8{0x83, 02, 0x15, 0x81, 02, 0x11, 0x13}},