diff options
Diffstat (limited to 'vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s')
| -rw-r--r-- | vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s | 124 |
1 files changed, 61 insertions, 63 deletions
diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s index 01cc23fa8..2585b2e98 100644 --- a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s +++ b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s @@ -1326,30 +1326,30 @@ copy_match: JA copy_overlapping_match // Copy non-overlapping match - XORQ R12, R12 + ADDQ R13, DI + MOVQ BX, R12 + ADDQ R13, BX copy_2: - MOVUPS (R11)(R12*1), X0 - MOVUPS X0, (BX)(R12*1) + MOVUPS (R11), X0 + MOVUPS X0, (R12) + ADDQ $0x10, R11 ADDQ $0x10, R12 - CMPQ R12, R13 - JB copy_2 - ADDQ R13, BX - ADDQ R13, DI + SUBQ $0x10, R13 + JHI copy_2 JMP handle_loop // Copy overlapping match copy_overlapping_match: - XORQ R12, R12 + ADDQ R13, DI copy_slow_3: - MOVB (R11)(R12*1), R14 - MOVB R14, (BX)(R12*1) - INCQ R12 - CMPQ R12, R13 - JB copy_slow_3 - ADDQ R13, BX - ADDQ R13, DI + MOVB (R11), R12 + MOVB R12, (BX) + INCQ R11 + INCQ BX + DECQ R13 + JNZ copy_slow_3 handle_loop: ADDQ $0x18, AX @@ -1826,30 +1826,30 @@ copy_match: JA copy_overlapping_match // Copy non-overlapping match - XORQ CX, CX + ADDQ R13, R12 + MOVQ R10, CX + ADDQ R13, R10 copy_2: - MOVUPS (AX)(CX*1), X0 - MOVUPS X0, (R10)(CX*1) + MOVUPS (AX), X0 + MOVUPS X0, (CX) + ADDQ $0x10, AX ADDQ $0x10, CX - CMPQ CX, R13 - JB copy_2 - ADDQ R13, R10 - ADDQ R13, R12 + SUBQ $0x10, R13 + JHI copy_2 JMP handle_loop // Copy overlapping match copy_overlapping_match: - XORQ CX, CX + ADDQ R13, R12 copy_slow_3: - MOVB (AX)(CX*1), R14 - MOVB R14, (R10)(CX*1) - INCQ CX - CMPQ CX, R13 - JB copy_slow_3 - ADDQ R13, R10 - ADDQ R13, R12 + MOVB (AX), CL + MOVB CL, (R10) + INCQ AX + INCQ R10 + DECQ R13 + JNZ copy_slow_3 handle_loop: MOVQ ctx+16(FP), AX @@ -2333,30 +2333,30 @@ copy_match: JA copy_overlapping_match // Copy non-overlapping match - XORQ R12, R12 + ADDQ R13, R11 + MOVQ R9, R12 + ADDQ R13, R9 copy_2: - MOVUPS (CX)(R12*1), X0 - MOVUPS X0, (R9)(R12*1) + MOVUPS (CX), X0 + MOVUPS X0, (R12) + ADDQ $0x10, CX ADDQ $0x10, R12 - CMPQ R12, R13 - JB copy_2 - ADDQ R13, R9 - ADDQ R13, R11 + SUBQ $0x10, R13 + JHI copy_2 JMP handle_loop // Copy overlapping match copy_overlapping_match: - XORQ R12, R12 + ADDQ R13, R11 copy_slow_3: - MOVB (CX)(R12*1), R14 - MOVB R14, (R9)(R12*1) - INCQ R12 - CMPQ R12, R13 - JB copy_slow_3 - ADDQ R13, R9 - ADDQ R13, R11 + MOVB (CX), R12 + MOVB R12, (R9) + INCQ CX + INCQ R9 + DECQ R13 + JNZ copy_slow_3 handle_loop: MOVQ ctx+16(FP), CX @@ -2862,6 +2862,7 @@ copy_match: JA copy_overlapping_match // Copy non-overlapping match + ADDQ R13, R12 XORQ CX, CX TESTQ $0x00000001, R13 JZ copy_2_word @@ -2900,21 +2901,19 @@ copy_2_test: CMPQ CX, R13 JB copy_2 ADDQ R13, R10 - ADDQ R13, R12 JMP handle_loop // Copy overlapping match copy_overlapping_match: - XORQ CX, CX + ADDQ R13, R12 copy_slow_3: - MOVB (AX)(CX*1), R14 - MOVB R14, (R10)(CX*1) - INCQ CX - CMPQ CX, R13 - JB copy_slow_3 - ADDQ R13, R10 - ADDQ R13, R12 + MOVB (AX), CL + MOVB CL, (R10) + INCQ AX + INCQ R10 + DECQ R13 + JNZ copy_slow_3 handle_loop: MOVQ ctx+16(FP), AX @@ -3398,6 +3397,7 @@ copy_match: JA copy_overlapping_match // Copy non-overlapping match + ADDQ R13, R11 XORQ R12, R12 TESTQ $0x00000001, R13 JZ copy_2_word @@ -3436,21 +3436,19 @@ copy_2_test: CMPQ R12, R13 JB copy_2 ADDQ R13, R9 - ADDQ R13, R11 JMP handle_loop // Copy overlapping match copy_overlapping_match: - XORQ R12, R12 + ADDQ R13, R11 copy_slow_3: - MOVB (CX)(R12*1), R14 - MOVB R14, (R9)(R12*1) - INCQ R12 - CMPQ R12, R13 - JB copy_slow_3 - ADDQ R13, R9 - ADDQ R13, R11 + MOVB (CX), R12 + MOVB R12, (R9) + INCQ CX + INCQ R9 + DECQ R13 + JNZ copy_slow_3 handle_loop: MOVQ ctx+16(FP), CX |