diff options
Diffstat (limited to 'src/internal/bytealg/compare_ppc64x.s')
| -rw-r--r-- | src/internal/bytealg/compare_ppc64x.s | 75 |
1 files changed, 63 insertions, 12 deletions
diff --git a/src/internal/bytealg/compare_ppc64x.s b/src/internal/bytealg/compare_ppc64x.s index 83444fa826..390a72688b 100644 --- a/src/internal/bytealg/compare_ppc64x.s +++ b/src/internal/bytealg/compare_ppc64x.s @@ -8,64 +8,99 @@ #include "go_asm.h" #include "textflag.h" -TEXT ·Compare(SB),NOSPLIT|NOFRAME,$0-56 +TEXT ·Compare<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-56 +#ifdef GOEXPERIMENT_regabiargs +// incoming: +// R3 a addr -> R5 +// R4 a len -> R3 +// R5 a cap unused +// R6 b addr -> R6 +// R7 b len -> R4 +// R8 b cap unused + MOVD R3, R5 + MOVD R4, R3 + MOVD R7, R4 +#else MOVD a_base+0(FP), R5 MOVD b_base+24(FP), R6 MOVD a_len+8(FP), R3 - CMP R5,R6,CR7 MOVD b_len+32(FP), R4 MOVD $ret+48(FP), R7 +#endif + CMP R5,R6,CR7 CMP R3,R4,CR6 BEQ CR7,equal - #ifdef GOARCH_ppc64le BR cmpbodyLE<>(SB) #else BR cmpbodyBE<>(SB) #endif - equal: BEQ CR6,done MOVD $1, R8 BGT CR6,greater NEG R8 - greater: +#ifdef GOEXPERIMENT_regabiargs + MOVD R8, R3 +#else MOVD R8, (R7) +#endif RET - done: +#ifdef GOEXPERIMENT_regabiargs + MOVD $0, R3 +#else MOVD $0, (R7) +#endif RET -TEXT runtime·cmpstring(SB),NOSPLIT|NOFRAME,$0-40 +TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-40 +#ifdef GOEXPERIMENT_regabiargs +// incoming: +// R3 a addr -> R5 +// R4 a len -> R3 +// R5 b addr -> R6 +// R6 b len -> R4 + MOVD R6, R7 + MOVD R5, R6 + MOVD R3, R5 + MOVD R4, R3 + MOVD R7, R4 +#else MOVD a_base+0(FP), R5 MOVD b_base+16(FP), R6 MOVD a_len+8(FP), R3 - CMP R5,R6,CR7 MOVD b_len+24(FP), R4 MOVD $ret+32(FP), R7 +#endif + CMP R5,R6,CR7 CMP R3,R4,CR6 BEQ CR7,equal - #ifdef GOARCH_ppc64le BR cmpbodyLE<>(SB) #else BR cmpbodyBE<>(SB) #endif - equal: BEQ CR6,done MOVD $1, R8 BGT CR6,greater NEG R8 - greater: +#ifdef GOEXPERIMENT_regabiargs + MOVD R8, R3 +#else MOVD R8, (R7) +#endif RET done: +#ifdef GOEXPERIMENT_regabiargs + MOVD $0, R3 +#else MOVD $0, (R7) +#endif RET // Do an efficient memcmp for ppc64le @@ -73,7 +108,7 @@ done: // R4 = b len // R5 = a addr // R6 = b addr -// R7 = addr of return value +// R7 = addr of return value if not regabi TEXT cmpbodyLE<>(SB),NOSPLIT|NOFRAME,$0-0 MOVD R3,R8 // set up length CMP R3,R4,CR2 // unequal? @@ -168,14 +203,22 @@ cmpne: // only here is not equal BGT greater // here only if NE less: MOVD $-1,R3 +#ifndef GOEXPERIMENT_regabiargs MOVD R3,(R7) // return value if A < B +#endif RET equal: +#ifdef GOEXPERIMENT_regabiargs + MOVD $0, R3 +#else MOVD $0,(R7) // return value if A == B +#endif RET greater: MOVD $1,R3 +#ifndef GOEXPERIMENT_regabiargs MOVD R3,(R7) // return value if A > B +#endif RET // Do an efficient memcmp for ppc64 (BE) @@ -267,12 +310,20 @@ simple: BC 12,9,greater // 2nd len > 1st len less: MOVD $-1,R3 +#ifndef GOEXPERIMENT_regabiargs MOVD R3,(R7) // return value if A < B +#endif RET equal: +#ifdef GOEXPERIMENT_regabiargs + MOVD $0, R3 +#else MOVD $0,(R7) // return value if A == B +#endif RET greater: MOVD $1,R3 +#ifndef GOEXPERIMENT_regabiargs MOVD R3,(R7) // return value if A > B +#endif RET |