diff options
Diffstat (limited to 'src/internal/bytealg/indexbyte_riscv64.s')
| -rw-r--r-- | src/internal/bytealg/indexbyte_riscv64.s | 79 |
1 files changed, 49 insertions, 30 deletions
diff --git a/src/internal/bytealg/indexbyte_riscv64.s b/src/internal/bytealg/indexbyte_riscv64.s index 156c303699..e9d3e6be39 100644 --- a/src/internal/bytealg/indexbyte_riscv64.s +++ b/src/internal/bytealg/indexbyte_riscv64.s @@ -5,48 +5,67 @@ #include "go_asm.h" #include "textflag.h" -TEXT ·IndexByte(SB),NOSPLIT,$0-40 - MOV b_base+0(FP), A1 - MOV b_len+8(FP), A2 - MOVBU c+24(FP), A3 // byte to find - MOV A1, A4 // store base for later - ADD A1, A2 // end - ADD $-1, A1 +TEXT ·IndexByte<ABIInternal>(SB),NOSPLIT,$0-40 +#ifndef GOEXPERIMENT_regabiargs + MOV b_base+0(FP), X10 + MOV b_len+8(FP), X11 + MOVBU c+24(FP), X13 // byte to find +#endif + // X10 = b_base + // X11 = b_len + // X12 = b_cap (unused) + // X13 = byte to find + MOV X10, X12 // store base for later + ADD X10, X11 // end + ADD $-1, X10 loop: - ADD $1, A1 - BEQ A1, A2, notfound - MOVBU (A1), A5 - BNE A3, A5, loop + ADD $1, X10 + BEQ X10, X11, notfound + MOVBU (X10), X14 + BNE X13, X14, loop - SUB A4, A1 // remove base - MOV A1, ret+32(FP) + SUB X12, X10 // remove base +#ifndef GOEXPERIMENT_regabiargs + MOV X10, ret+32(FP) +#endif RET notfound: - MOV $-1, A1 - MOV A1, ret+32(FP) + MOV $-1, X10 +#ifndef GOEXPERIMENT_regabiargs + MOV X10, ret+32(FP) +#endif RET -TEXT ·IndexByteString(SB),NOSPLIT,$0-32 - MOV s_base+0(FP), A1 - MOV s_len+8(FP), A2 - MOVBU c+16(FP), A3 // byte to find - MOV A1, A4 // store base for later - ADD A1, A2 // end - ADD $-1, A1 +TEXT ·IndexByteString<ABIInternal>(SB),NOSPLIT,$0-32 +#ifndef GOEXPERIMENT_regabiargs + MOV s_base+0(FP), X10 + MOV s_len+8(FP), X11 + MOVBU c+16(FP), X12 // byte to find +#endif + // X10 = b_base + // X11 = b_len + // X12 = byte to find + MOV X10, X13 // store base for later + ADD X10, X11 // end + ADD $-1, X10 loop: - ADD $1, A1 - BEQ A1, A2, notfound - MOVBU (A1), A5 - BNE A3, A5, loop + ADD $1, X10 + BEQ X10, X11, notfound + MOVBU (X10), X14 + BNE X12, X14, loop - SUB A4, A1 // remove base - MOV A1, ret+24(FP) + SUB X13, X10 // remove base +#ifndef GOEXPERIMENT_regabiargs + MOV X10, ret+24(FP) +#endif RET notfound: - MOV $-1, A1 - MOV A1, ret+24(FP) + MOV $-1, X10 +#ifndef GOEXPERIMENT_regabiargs + MOV X10, ret+24(FP) +#endif RET |