diff options
| author | Russ Cox <rsc@golang.org> | 2014-12-05 11:43:41 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-12-05 11:43:41 -0500 |
| commit | 8670c52abcdb260f5366d6fa205a7c7f9b5b1067 (patch) | |
| tree | 3781a05c976360f88b736c71316dadc789e02062 /src/runtime/memclr_amd64.s | |
| parent | 3ebebda3a7495402239db4369d59d73749c1bfa2 (diff) | |
| parent | 6d3ba1914e289ed223f7bb69f34604c0e2ae5384 (diff) | |
| download | go-8670c52abcdb260f5366d6fa205a7c7f9b5b1067.tar.gz | |
all: merge dev.cc (81884b89bd88) into default
With this change, default now contains Go 1.5 work.
Any future bug fixes for Go 1.4 in the compilers or
the runtime will have to be made directly to the
release branch.
Diffstat (limited to 'src/runtime/memclr_amd64.s')
| -rw-r--r-- | src/runtime/memclr_amd64.s | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/src/runtime/memclr_amd64.s b/src/runtime/memclr_amd64.s index 94a2c7f23..ec24f1db2 100644 --- a/src/runtime/memclr_amd64.s +++ b/src/runtime/memclr_amd64.s @@ -15,30 +15,30 @@ TEXT runtime·memclr(SB), NOSPLIT, $0-16 XORQ AX, AX // MOVOU seems always faster than REP STOSQ. -clr_tail: +tail: TESTQ BX, BX - JEQ clr_0 + JEQ _0 CMPQ BX, $2 - JBE clr_1or2 + JBE _1or2 CMPQ BX, $4 - JBE clr_3or4 + JBE _3or4 CMPQ BX, $8 - JBE clr_5through8 + JBE _5through8 CMPQ BX, $16 - JBE clr_9through16 + JBE _9through16 PXOR X0, X0 CMPQ BX, $32 - JBE clr_17through32 + JBE _17through32 CMPQ BX, $64 - JBE clr_33through64 + JBE _33through64 CMPQ BX, $128 - JBE clr_65through128 + JBE _65through128 CMPQ BX, $256 - JBE clr_129through256 + JBE _129through256 // TODO: use branch table and BSR to make this just a single dispatch // TODO: for really big clears, use MOVNTDQ. -clr_loop: +loop: MOVOU X0, 0(DI) MOVOU X0, 16(DI) MOVOU X0, 32(DI) @@ -58,38 +58,38 @@ clr_loop: SUBQ $256, BX ADDQ $256, DI CMPQ BX, $256 - JAE clr_loop - JMP clr_tail + JAE loop + JMP tail -clr_1or2: +_1or2: MOVB AX, (DI) MOVB AX, -1(DI)(BX*1) RET -clr_0: +_0: RET -clr_3or4: +_3or4: MOVW AX, (DI) MOVW AX, -2(DI)(BX*1) RET -clr_5through8: +_5through8: MOVL AX, (DI) MOVL AX, -4(DI)(BX*1) RET -clr_9through16: +_9through16: MOVQ AX, (DI) MOVQ AX, -8(DI)(BX*1) RET -clr_17through32: +_17through32: MOVOU X0, (DI) MOVOU X0, -16(DI)(BX*1) RET -clr_33through64: +_33through64: MOVOU X0, (DI) MOVOU X0, 16(DI) MOVOU X0, -32(DI)(BX*1) MOVOU X0, -16(DI)(BX*1) RET -clr_65through128: +_65through128: MOVOU X0, (DI) MOVOU X0, 16(DI) MOVOU X0, 32(DI) @@ -99,7 +99,7 @@ clr_65through128: MOVOU X0, -32(DI)(BX*1) MOVOU X0, -16(DI)(BX*1) RET -clr_129through256: +_129through256: MOVOU X0, (DI) MOVOU X0, 16(DI) MOVOU X0, 32(DI) |