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runtime: remove arm64 non-register ABI fallback code

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This presumably got missed in CL 393875.

Change-Id: I4f2de00ebd6ec405d5e289a7f8c2fc781607260b
Reviewed-on: https://go-review.googlesource.com/c/go/+/475617
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Joel Sing <joel@sing.id.au>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This commit is contained in:
Joel Sing 2023-03-12 03:12:40 +11:00
parent c8402cd330
commit 602e6aa979
4 changed files with 0 additions and 26 deletions
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5
src/runtime/sys_freebsd_arm64.s
View File

@ -295,14 +295,9 @@ TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$176
BEQ 2(PC)
BL runtime·load_g(SB)
#ifdef GOEXPERIMENT_regabiargs
// Restore signum to R0.
MOVW 8(RSP), R0
// R1 and R2 already contain info and ctx, respectively.
#else
MOVD R1, 16(RSP)
MOVD R2, 24(RSP)
#endif
MOVD $runtime·sigtrampgo<ABIInternal>(SB), R3
BL (R3)

11
src/runtime/sys_linux_arm64.s
View File

@ -455,14 +455,9 @@ TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$176
CBZ R0, 2(PC)
BL runtime·load_g(SB)
#ifdef GOEXPERIMENT_regabiargs
// Restore signum to R0.
MOVW 8(RSP), R0
// R1 and R2 already contain info and ctx, respectively.
#else
MOVD R1, 16(RSP)
MOVD R2, 24(RSP)
#endif
MOVD $runtime·sigtrampgo<ABIInternal>(SB), R3
BL (R3)
@ -478,13 +473,7 @@ TEXT runtime·sigprofNonGoWrapper<>(SB),NOSPLIT,$176
SAVE_R19_TO_R28(8*4)
SAVE_F8_TO_F15(8*14)
#ifdef GOEXPERIMENT_regabiargs
// R0, R1 and R2 already contain sig, info and ctx, respectively.
#else
MOVW R0, 8(RSP) // sig
MOVD R1, 16(RSP) // info
MOVD R2, 24(RSP) // ctx
#endif
CALL runtime·sigprofNonGo<ABIInternal>(SB)
// Restore callee-save registers.

5
src/runtime/sys_netbsd_arm64.s
View File

@ -317,14 +317,9 @@ TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$176
BEQ 2(PC)
BL runtime·load_g(SB)
#ifdef GOEXPERIMENT_regabiargs
// Restore signum to R0.
MOVW 8(RSP), R0
// R1 and R2 already contain info and ctx, respectively.
#else
MOVD R1, 16(RSP)
MOVD R2, 24(RSP)
#endif
BL runtime·sigtrampgo<ABIInternal>(SB)
// Restore callee-save registers.

5
src/runtime/sys_openbsd_arm64.s
View File

@ -62,14 +62,9 @@ TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$192
MOVW R0, 8(RSP) // signum
BL runtime·load_g(SB)
#ifdef GOEXPERIMENT_regabiargs
// Restore signum to R0.
MOVW 8(RSP), R0
// R1 and R2 already contain info and ctx, respectively.
#else
MOVD R1, 16(RSP)
MOVD R2, 24(RSP)
#endif
BL runtime·sigtrampgo<ABIInternal>(SB)
// Restore callee-save registers.