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cmd/internal/obj/x86: add new instructions, cleanup.

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Add several instructions that were used via BYTE and use them.
Instructions added: PEXTRB, PEXTRD, PEXTRQ, PINSRB, XGETBV, POPCNT.

Change-Id: I5a80cd390dc01f3555dbbe856a475f74b5e6df65
Reviewed-on: https://go-review.googlesource.com/18593
Run-TryBot: Ilya Tocar <ilya.tocar@intel.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Ilya Tocar 2016-01-13 16:43:22 +03:00 committed by Russ Cox
parent ceeb52d862
commit 1d1f2fb4c6
7 changed files with 49 additions and 18 deletions
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6
src/cmd/internal/obj/x86/a.out.go
View File

@ -181,6 +181,7 @@ const (
APAUSE
APOPAL
APOPAW
APOPCNT
APOPFL
APOPFW
APOPL
@ -500,6 +501,7 @@ const (
AXADDQ
AXCHGQ
AXORQ
AXGETBV
// media
AADDPD
@ -614,6 +616,9 @@ const (
APCMPGTL
APCMPGTW
APEXTRW
APEXTRB
APEXTRD
APEXTRQ
APFACC
APFADD
APFCMPEQ
@ -632,6 +637,7 @@ const (
APFSUB
APFSUBR
APINSRW
APINSRB
APINSRD
APINSRQ
APMADDWL

6
src/cmd/internal/obj/x86/anames.go
View File

@ -149,6 +149,7 @@ var Anames = []string{
"PAUSE",
"POPAL",
"POPAW",
"POPCNT",
"POPFL",
"POPFW",
"POPL",
@ -451,6 +452,7 @@ var Anames = []string{
"XADDQ",
"XCHGQ",
"XORQ",
"XGETBV",
"ADDPD",
"ADDPS",
"ADDSD",
@ -563,6 +565,9 @@ var Anames = []string{
"PCMPGTL",
"PCMPGTW",
"PEXTRW",
"PEXTRB",
"PEXTRD",
"PEXTRQ",
"PFACC",
"PFADD",
"PFCMPEQ",
@ -581,6 +586,7 @@ var Anames = []string{
"PFSUB",
"PFSUBR",
"PINSRW",
"PINSRB",
"PINSRD",
"PINSRQ",
"PMADDWL",

29
src/cmd/internal/obj/x86/asm6.go
View File

@ -187,6 +187,7 @@ const (
Zm_r_xm_nr
Zr_m_xm_nr
Zibm_r /* mmx1,mmx2/mem64,imm8 */
Zibr_m
Zmb_r
Zaut_r
Zo_m
@ -219,6 +220,7 @@ const (
Pf2 = 0xf2 /* xmm escape 1: f2 0f */
Pf3 = 0xf3 /* xmm escape 2: f3 0f */
Pq3 = 0x67 /* xmm escape 3: 66 48 0f */
Pfw = 0xf4 /* Pf3 with Rex.w: f3 48 0f */
Pvex1 = 0xc5 /* 66.0f escape, vex encoding */
Pvex2 = 0xc6 /* f3.0f escape, vex encoding */
Pvex3 = 0xc7 /* 66.0f38 escape, vex encoding */
@ -720,6 +722,10 @@ var yextrw = []ytab{
{Yu8, Yxr, Yrl, Zibm_r, 2},
}
var yextr = []ytab{
{Yu8, Yxr, Ymm, Zibr_m, 3},
}
var yinsrw = []ytab{
{Yu8, Yml, Yxr, Zibm_r, 2},
}
@ -1162,6 +1168,9 @@ var optab =
{APCMPGTL, ymm, Py1, [23]uint8{0x66, Pe, 0x66}},
{APCMPGTW, ymm, Py1, [23]uint8{0x65, Pe, 0x65}},
{APEXTRW, yextrw, Pq, [23]uint8{0xc5, 00}},
{APEXTRB, yextr, Pq, [23]uint8{0x3a, 0x14, 00}},
{APEXTRD, yextr, Pq, [23]uint8{0x3a, 0x16, 00}},
{APEXTRQ, yextr, Pq3, [23]uint8{0x3a, 0x16, 00}},
{APF2IL, ymfp, Px, [23]uint8{0x1d}},
{APF2IW, ymfp, Px, [23]uint8{0x1c}},
{API2FL, ymfp, Px, [23]uint8{0x0d}},
@ -1183,6 +1192,7 @@ var optab =
{APFSUB, ymfp, Px, [23]uint8{0x9a}},
{APFSUBR, ymfp, Px, [23]uint8{0xaa}},
{APINSRW, yinsrw, Pq, [23]uint8{0xc4, 00}},
{APINSRB, yinsr, Pq, [23]uint8{0x3a, 0x20, 00}},
{APINSRD, yinsr, Pq, [23]uint8{0x3a, 0x22, 00}},
{APINSRQ, yinsr, Pq3, [23]uint8{0x3a, 0x22, 00}},
{APMADDWL, ymm, Py1, [23]uint8{0xf5, Pe, 0xf5}},
@ -1198,6 +1208,7 @@ var optab =
{APMULULQ, ymm, Py1, [23]uint8{0xf4, Pe, 0xf4}},
{APOPAL, ynone, P32, [23]uint8{0x61}},
{APOPAW, ynone, Pe, [23]uint8{0x61}},
{APOPCNT, yml_rl, Pfw, [23]uint8{0xb8}},
{APOPFL, ynone, P32, [23]uint8{0x9d}},
{APOPFQ, ynone, Py, [23]uint8{0x9d}},
{APOPFW, ynone, Pe, [23]uint8{0x9d}},
@ -1533,6 +1544,7 @@ var optab =
{AXABORT, yxabort, Px, [23]uint8{0xc6, 0xf8}},
{AXEND, ynone, Px, [23]uint8{0x0f, 01, 0xd5}},
{AXTEST, ynone, Px, [23]uint8{0x0f, 01, 0xd6}},
{AXGETBV, ynone, Pm, [23]uint8{01, 0xd0}},
{obj.AUSEFIELD, ynop, Px, [23]uint8{0, 0}},
{obj.ATYPE, nil, 0, [23]uint8{}},
{obj.AFUNCDATA, yfuncdata, Px, [23]uint8{0, 0}},
@ -3194,6 +3206,15 @@ func doasm(ctxt *obj.Link, p *obj.Prog) {
ctxt.Andptr[0] = Pm
ctxt.Andptr = ctxt.Andptr[1:]
case Pfw: /* first escape, Rex.w, and second escape */
ctxt.Andptr[0] = Pf3
ctxt.Andptr = ctxt.Andptr[1:]
ctxt.Andptr[0] = Pw
ctxt.Andptr = ctxt.Andptr[1:]
ctxt.Andptr[0] = Pm
ctxt.Andptr = ctxt.Andptr[1:]
case Pm: /* opcode escape */
ctxt.Andptr[0] = Pm
ctxt.Andptr = ctxt.Andptr[1:]
@ -3343,7 +3364,7 @@ func doasm(ctxt *obj.Link, p *obj.Prog) {
ctxt.Andptr[0] = byte(op)
ctxt.Andptr = ctxt.Andptr[1:]
case Zibm_r:
case Zibm_r, Zibr_m:
for {
tmp1 := z
z++
@ -3354,7 +3375,11 @@ func doasm(ctxt *obj.Link, p *obj.Prog) {
ctxt.Andptr[0] = byte(op)
ctxt.Andptr = ctxt.Andptr[1:]
}
asmand(ctxt, p, p.From3, &p.To)
if yt.zcase == Zibr_m {
asmand(ctxt, p, &p.To, p.From3)
} else {
asmand(ctxt, p, p.From3, &p.To)
}
ctxt.Andptr[0] = byte(p.From.Offset)
ctxt.Andptr = ctxt.Andptr[1:]

8
src/crypto/aes/asm_amd64.s
View File

@ -217,8 +217,6 @@ Lexp_dec_loop:
MOVUPS X0, 16(DX)
RET
#define PSHUFD_X0_X0_ BYTE $0x66; BYTE $0x0f; BYTE $0x70; BYTE $0xc0
#define PSHUFD_X1_X1_ BYTE $0x66; BYTE $0x0f; BYTE $0x70; BYTE $0xc9
TEXT _expand_key_128<>(SB),NOSPLIT,$0
PSHUFD $0xff, X1, X1
SHUFPS $0x10, X0, X4
@ -230,8 +228,6 @@ TEXT _expand_key_128<>(SB),NOSPLIT,$0
ADDQ $16, BX
RET
#define PSLLDQ_X5_ BYTE $0x66; BYTE $0x0f; BYTE $0x73; BYTE $0xfd
#define PSHUFD_X0_X3_ BYTE $0x66; BYTE $0x0f; BYTE $0x70; BYTE $0xd8
TEXT _expand_key_192a<>(SB),NOSPLIT,$0
PSHUFD $0x55, X1, X1
SHUFPS $0x10, X0, X4
@ -242,7 +238,7 @@ TEXT _expand_key_192a<>(SB),NOSPLIT,$0
MOVAPS X2, X5
MOVAPS X2, X6
PSLLDQ_X5_; BYTE $0x4
PSLLDQ $0x4, X5
PSHUFD $0xff, X0, X3
PXOR X3, X2
PXOR X5, X2
@ -264,7 +260,7 @@ TEXT _expand_key_192b<>(SB),NOSPLIT,$0
PXOR X1, X0
MOVAPS X2, X5
PSLLDQ_X5_; BYTE $0x4
PSLLDQ $0x4, X5
PSHUFD $0xff, X0, X3
PXOR X3, X2
PXOR X5, X2

8
src/crypto/aes/gcm_amd64.s
View File

@ -345,7 +345,7 @@ TEXT ·gcmAesData(SB),NOSPLIT,$0
PXOR B0, B0
MOVQ (aut), B0
PINSRD $2, 8(aut), B0
BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x20; BYTE $0x46; BYTE $0x0c; BYTE $0x0c //PINSRB $12, 12(aut), B0
PINSRB $12, 12(aut), B0
XORQ autLen, autLen
JMP dataMul
@ -404,7 +404,7 @@ dataEnd:
dataLoadLoop:
PSLLDQ $1, B0
BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x20; BYTE $0x06; BYTE $0x00 //PINSRB $0, (aut), B0
PINSRB $0, (aut), B0
LEAQ -1(aut), aut
DECQ autLen
@ -892,7 +892,7 @@ encLast4:
PXOR B0, B0
ptxLoadLoop:
PSLLDQ $1, B0
BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x20; BYTE $0x06; BYTE $0x00 //PINSRB $0, (ptx), B0
PINSRB $0, (ptx), B0
LEAQ -1(ptx), ptx
DECQ ptxLen
JNE ptxLoadLoop
@ -1264,7 +1264,7 @@ decLast3:
PXOR T1, B0
ptxStoreLoop:
BYTE $0x66; BYTE $0x0f; BYTE $0x3a; BYTE $0x14; BYTE $0x06; BYTE $0x00 // PEXTRB $0, B0, (ptx)
PEXTRB $0, B0, (ptx)
PSRLDQ $1, B0
LEAQ 1(ptx), ptx
DECQ ptxLen

4
src/hash/crc32/crc32_amd64.s
View File

@ -225,9 +225,7 @@ finish:
PCLMULQDQ $0, X0, X1
PXOR X2, X1
/* PEXTRD $1, X1, AX (SSE 4.1) */
BYTE $0x66; BYTE $0x0f; BYTE $0x3a;
BYTE $0x16; BYTE $0xc8; BYTE $0x01;
PEXTRD $1, X1, AX
MOVL AX, ret+32(FP)
RET

6
src/runtime/asm_amd64.s
View File

@ -56,7 +56,7 @@ notintel:
JNE noavx
MOVL $0, CX
// For XGETBV, OSXSAVE bit is required and sufficient
BYTE $0x0F; BYTE $0x01; BYTE $0xD0
XGETBV
ANDL $6, AX
CMPL AX, $6 // Check for OS support of YMM registers
JNE noavx
@ -822,10 +822,10 @@ TEXT runtime·getcallersp(SB),NOSPLIT,$0-16
TEXT runtime·cputicks(SB),NOSPLIT,$0-0
CMPB runtime·lfenceBeforeRdtsc(SB), $1
JNE mfence
BYTE $0x0f; BYTE $0xae; BYTE $0xe8 // LFENCE
LFENCE
JMP done
mfence:
BYTE $0x0f; BYTE $0xae; BYTE $0xf0 // MFENCE
MFENCE
done:
RDTSC
SHLQ $32, DX