diff options
Diffstat (limited to 'src/runtime/asm_amd64p32.s')
| -rw-r--r-- | src/runtime/asm_amd64p32.s | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/src/runtime/asm_amd64p32.s b/src/runtime/asm_amd64p32.s index a1116b5d4..153564b14 100644 --- a/src/runtime/asm_amd64p32.s +++ b/src/runtime/asm_amd64p32.s @@ -444,11 +444,11 @@ TEXT runtime·cas64(SB), NOSPLIT, $0-25 MOVQ new+16(FP), CX LOCK CMPXCHGQ CX, 0(BX) - JNZ cas64_fail + JNZ fail MOVL $1, AX MOVB AX, ret+24(FP) RET -cas64_fail: +fail: MOVL $0, AX MOVB AX, ret+24(FP) RET @@ -460,7 +460,7 @@ cas64_fail: // return 1; // } else // return 0; -TEXT runtime·casp(SB), NOSPLIT, $0-17 +TEXT runtime·casp1(SB), NOSPLIT, $0-17 MOVL ptr+0(FP), BX MOVL old+4(FP), AX MOVL new+8(FP), CX @@ -512,7 +512,7 @@ TEXT runtime·xchg64(SB), NOSPLIT, $0-24 MOVQ AX, ret+16(FP) RET -TEXT runtime·xchgp(SB), NOSPLIT, $0-12 +TEXT runtime·xchgp1(SB), NOSPLIT, $0-12 MOVL ptr+0(FP), BX MOVL new+4(FP), AX XCHGL AX, 0(BX) @@ -530,7 +530,7 @@ again: JNZ again RET -TEXT runtime·atomicstorep(SB), NOSPLIT, $0-8 +TEXT runtime·atomicstorep1(SB), NOSPLIT, $0-8 MOVL ptr+0(FP), BX MOVL val+4(FP), AX XCHGL AX, 0(BX) @@ -834,29 +834,29 @@ TEXT runtime·cmpbytes(SB),NOSPLIT,$0-28 // AX = 1/0/-1 TEXT runtime·cmpbody(SB),NOSPLIT,$0-0 CMPQ SI, DI - JEQ cmp_allsame + JEQ allsame CMPQ BX, DX MOVQ DX, R8 CMOVQLT BX, R8 // R8 = min(alen, blen) = # of bytes to compare CMPQ R8, $8 - JB cmp_small + JB small -cmp_loop: +loop: CMPQ R8, $16 - JBE cmp_0through16 + JBE _0through16 MOVOU (SI), X0 MOVOU (DI), X1 PCMPEQB X0, X1 PMOVMSKB X1, AX XORQ $0xffff, AX // convert EQ to NE - JNE cmp_diff16 // branch if at least one byte is not equal + JNE diff16 // branch if at least one byte is not equal ADDQ $16, SI ADDQ $16, DI SUBQ $16, R8 - JMP cmp_loop + JMP loop // AX = bit mask of differences -cmp_diff16: +diff16: BSFQ AX, BX // index of first byte that differs XORQ AX, AX ADDQ BX, SI @@ -868,23 +868,23 @@ cmp_diff16: RET // 0 through 16 bytes left, alen>=8, blen>=8 -cmp_0through16: +_0through16: CMPQ R8, $8 - JBE cmp_0through8 + JBE _0through8 MOVQ (SI), AX MOVQ (DI), CX CMPQ AX, CX - JNE cmp_diff8 -cmp_0through8: + JNE diff8 +_0through8: ADDQ R8, SI ADDQ R8, DI MOVQ -8(SI), AX MOVQ -8(DI), CX CMPQ AX, CX - JEQ cmp_allsame + JEQ allsame // AX and CX contain parts of a and b that differ. -cmp_diff8: +diff8: BSWAPQ AX // reverse order of bytes BSWAPQ CX XORQ AX, CX @@ -895,46 +895,46 @@ cmp_diff8: RET // 0-7 bytes in common -cmp_small: +small: LEAQ (R8*8), CX // bytes left -> bits left NEGQ CX // - bits lift (== 64 - bits left mod 64) - JEQ cmp_allsame + JEQ allsame // load bytes of a into high bytes of AX CMPB SI, $0xf8 - JA cmp_si_high + JA si_high MOVQ (SI), SI - JMP cmp_si_finish -cmp_si_high: + JMP si_finish +si_high: ADDQ R8, SI MOVQ -8(SI), SI SHRQ CX, SI -cmp_si_finish: +si_finish: SHLQ CX, SI // load bytes of b in to high bytes of BX CMPB DI, $0xf8 - JA cmp_di_high + JA di_high MOVQ (DI), DI - JMP cmp_di_finish -cmp_di_high: + JMP di_finish +di_high: ADDQ R8, DI MOVQ -8(DI), DI SHRQ CX, DI -cmp_di_finish: +di_finish: SHLQ CX, DI BSWAPQ SI // reverse order of bytes BSWAPQ DI XORQ SI, DI // find bit differences - JEQ cmp_allsame + JEQ allsame BSRQ DI, CX // index of highest bit difference SHRQ CX, SI // move a's bit to bottom ANDQ $1, SI // mask bit LEAQ -1(SI*2), AX // 1/0 => +1/-1 RET -cmp_allsame: +allsame: XORQ AX, AX XORQ CX, CX CMPQ BX, DX @@ -969,7 +969,7 @@ TEXT runtime·indexbytebody(SB),NOSPLIT,$0 MOVL SI, DI CMPL BX, $16 - JLT indexbyte_small + JLT small // round up to first 16-byte boundary TESTL $15, SI @@ -1027,7 +1027,7 @@ failure: RET // handle for lengths < 16 -indexbyte_small: +small: MOVL BX, CX REPN; SCASB JZ success |