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runtime: remove unnecessary argument stores for panicIndex etc. on ARM64

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If register ABI is used, no need to store the arguments to stack.
I forgot them in CL 323937.

Change-Id: I888af2b547a8fc97d13716bc8e8f3acd5c5bc127
Reviewed-on: https://go-review.googlesource.com/c/go/+/351609
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
This commit is contained in:
Cherry Mui 2021-09-22 16:49:39 -04:00
parent 459293388c
commit 5ec139fa78
1 changed files with 12 additions and 0 deletions
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12
src/runtime/asm_arm64.s
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@ -1383,12 +1383,16 @@ flush:
// Defined as ABIInternal since the compiler generates ABIInternal
// calls to it directly and it does not use the stack-based Go ABI.
TEXT runtime·panicIndex<ABIInternal>(SB),NOSPLIT,$0-16
#ifndef GOEXPERIMENT_regabiargs
MOVD R0, x+0(FP)
MOVD R1, y+8(FP)
#endif
JMP runtime·goPanicIndex<ABIInternal>(SB)
TEXT runtime·panicIndexU<ABIInternal>(SB),NOSPLIT,$0-16
#ifndef GOEXPERIMENT_regabiargs
MOVD R0, x+0(FP)
MOVD R1, y+8(FP)
#endif
JMP runtime·goPanicIndexU<ABIInternal>(SB)
TEXT runtime·panicSliceAlen<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
@ -1427,12 +1431,16 @@ TEXT runtime·panicSliceAcapU<ABIInternal>(SB),NOSPLIT,$0-16
#endif
JMP runtime·goPanicSliceAcapU<ABIInternal>(SB)
TEXT runtime·panicSliceB<ABIInternal>(SB),NOSPLIT,$0-16
#ifndef GOEXPERIMENT_regabiargs
MOVD R0, x+0(FP)
MOVD R1, y+8(FP)
#endif
JMP runtime·goPanicSliceB<ABIInternal>(SB)
TEXT runtime·panicSliceBU<ABIInternal>(SB),NOSPLIT,$0-16
#ifndef GOEXPERIMENT_regabiargs
MOVD R0, x+0(FP)
MOVD R1, y+8(FP)
#endif
JMP runtime·goPanicSliceBU<ABIInternal>(SB)
TEXT runtime·panicSlice3Alen<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
@ -1489,12 +1497,16 @@ TEXT runtime·panicSlice3BU<ABIInternal>(SB),NOSPLIT,$0-16
#endif
JMP runtime·goPanicSlice3BU<ABIInternal>(SB)
TEXT runtime·panicSlice3C<ABIInternal>(SB),NOSPLIT,$0-16
#ifndef GOEXPERIMENT_regabiargs
MOVD R0, x+0(FP)
MOVD R1, y+8(FP)
#endif
JMP runtime·goPanicSlice3C<ABIInternal>(SB)
TEXT runtime·panicSlice3CU<ABIInternal>(SB),NOSPLIT,$0-16
#ifndef GOEXPERIMENT_regabiargs
MOVD R0, x+0(FP)
MOVD R1, y+8(FP)
#endif
JMP runtime·goPanicSlice3CU<ABIInternal>(SB)
TEXT runtime·panicSliceConvert<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs