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all: delete loong64 non-register ABI fallback path

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Change-Id: If1d3eba9a922ac6f9d78301bb8f07e445c712899
Reviewed-on: https://go-review.googlesource.com/c/go/+/525576
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Commit-Queue: abner chenc <chenguoqi@loongson.cn>
Run-TryBot: abner chenc <chenguoqi@loongson.cn>
This commit is contained in:
Guoqi Chen 2023-08-30 17:49:55 +08:00 committed by Cherry Mui
parent 5881ae742f
commit ec711aaaaa
8 changed files with 0 additions and 207 deletions
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18
src/internal/bytealg/compare_loong64.s
View File

@ -6,13 +6,6 @@
#include "textflag.h"
TEXT ·Compare<ABIInternal>(SB),NOSPLIT,$0-56
#ifndef GOEXPERIMENT_regabiargs
MOVV a_base+0(FP), R4
MOVV a_len+8(FP), R5
MOVV b_base+24(FP), R6
MOVV b_len+32(FP), R7
MOVV $ret+48(FP), R13
#else
// R4 = a_base
// R5 = a_len
// R6 = a_cap (unused)
@ -21,17 +14,9 @@ TEXT ·Compare<ABIInternal>(SB),NOSPLIT,$0-56
// R9 = b_cap (unused)
MOVV R7, R6
MOVV R8, R7
#endif
JMP cmpbody<>(SB)
TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT,$0-40
#ifndef GOEXPERIMENT_regabiargs
MOVV a_base+0(FP), R4
MOVV b_base+16(FP), R6
MOVV a_len+8(FP), R5
MOVV b_len+24(FP), R7
MOVV $ret+32(FP), R13
#endif
// R4 = a_base
// R5 = a_len
// R6 = b_base
@ -100,7 +85,4 @@ samebytes:
SUBV R9, R8, R4
ret:
#ifndef GOEXPERIMENT_regabiargs
MOVV R4, (R13)
#endif
RET

24
src/internal/bytealg/equal_loong64.s
View File

@ -9,20 +9,12 @@
// memequal(a, b unsafe.Pointer, size uintptr) bool
TEXT runtime·memequal<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-25
#ifndef GOEXPERIMENT_regabiargs
MOVV a+0(FP), R4
MOVV b+8(FP), R5
MOVV size+16(FP), R6
#endif
BEQ R4, R5, eq
ADDV R4, R6, R7
PCALIGN $16
loop:
BNE R4, R7, test
MOVV $1, R4
#ifndef GOEXPERIMENT_regabiargs
MOVB R4, ret+24(FP)
#endif
RET
test:
MOVBU (R4), R9
@ -32,23 +24,13 @@ test:
BEQ R9, R10, loop
MOVB R0, R4
#ifndef GOEXPERIMENT_regabiargs
MOVB R0, ret+24(FP)
#endif
RET
eq:
MOVV $1, R4
#ifndef GOEXPERIMENT_regabiargs
MOVB R4, ret+24(FP)
#endif
RET
// memequal_varlen(a, b unsafe.Pointer) bool
TEXT runtime·memequal_varlen<ABIInternal>(SB),NOSPLIT,$40-17
#ifndef GOEXPERIMENT_regabiargs
MOVV a+0(FP), R4
MOVV b+8(FP), R5
#endif
BEQ R4, R5, eq
MOVV 8(REGCTXT), R6 // compiler stores size at offset 8 in the closure
MOVV R4, 8(R3)
@ -56,13 +38,7 @@ TEXT runtime·memequal_varlen<ABIInternal>(SB),NOSPLIT,$40-17
MOVV R6, 24(R3)
JAL runtime·memequal(SB)
MOVBU 32(R3), R4
#ifndef GOEXPERIMENT_regabiargs
MOVB R4, ret+16(FP)
#endif
RET
eq:
MOVV $1, R4
#ifndef GOEXPERIMENT_regabiargs
MOVB R4, ret+16(FP)
#endif
RET

22
src/internal/bytealg/indexbyte_loong64.s
View File

@ -6,11 +6,6 @@
#include "textflag.h"
TEXT ·IndexByte<ABIInternal>(SB),NOSPLIT,$0-40
#ifndef GOEXPERIMENT_regabiargs
MOVV b_base+0(FP), R4
MOVV b_len+8(FP), R5
MOVBU c+24(FP), R7 // byte to find
#endif
// R4 = b_base
// R5 = b_len
// R6 = b_cap (unused)
@ -28,24 +23,13 @@ loop:
BNE R7, R8, loop
SUBV R6, R4 // remove base
#ifndef GOEXPERIMENT_regabiargs
MOVV R4, ret+32(FP)
#endif
RET
notfound:
MOVV $-1, R4
#ifndef GOEXPERIMENT_regabiargs
MOVV R4, ret+32(FP)
#endif
RET
TEXT ·IndexByteString<ABIInternal>(SB),NOSPLIT,$0-32
#ifndef GOEXPERIMENT_regabiargs
MOVV s_base+0(FP), R4
MOVV s_len+8(FP), R5
MOVBU c+16(FP), R6 // byte to find
#endif
// R4 = s_base
// R5 = s_len
// R6 = byte to find
@ -61,14 +45,8 @@ loop:
BNE R6, R8, loop
SUBV R7, R4 // remove base
#ifndef GOEXPERIMENT_regabiargs
MOVV R4, ret+24(FP)
#endif
RET
notfound:
MOVV $-1, R4
#ifndef GOEXPERIMENT_regabiargs
MOVV R4, ret+24(FP)
#endif
RET

26
src/internal/runtime/syscall/asm_linux_loong64.s
View File

@ -22,7 +22,6 @@
// r2 | R5 | R5
// err | R6 | part of R4
TEXT ·Syscall6<ABIInternal>(SB),NOSPLIT,$0-80
#ifdef GOEXPERIMENT_regabiargs
MOVV R4, R11 // syscall entry
MOVV R5, R4
MOVV R6, R5
@ -30,39 +29,14 @@ TEXT ·Syscall6<ABIInternal>(SB),NOSPLIT,$0-80
MOVV R8, R7
MOVV R9, R8
MOVV R10, R9
#else
MOVV num+0(FP), R11 // syscall entry
MOVV a1+8(FP), R4
MOVV a2+16(FP), R5
MOVV a3+24(FP), R6
MOVV a4+32(FP), R7
MOVV a5+40(FP), R8
MOVV a6+48(FP), R9
#endif
SYSCALL
#ifdef GOEXPERIMENT_regabiargs
MOVV R0, R5 // r2 is not used. Always set to 0.
MOVW $-4096, R12
BGEU R12, R4, ok
SUBVU R4, R0, R6 // errno
MOVV $-1, R4 // r1
#else
MOVW $-4096, R12
BGEU R12, R4, ok
MOVV $-1, R12
MOVV R12, r1+56(FP)
MOVV R0, r2+64(FP)
SUBVU R4, R0, R4
MOVV R4, errno+72(FP)
#endif
RET
ok:
#ifdef GOEXPERIMENT_regabiargs
// r1 already in R4
MOVV R0, R6 // errno
#else
MOVV R4, r1+56(FP)
MOVV R0, r2+64(FP) // r2 is not used. Always set to 0.
MOVV R0, errno+72(FP)
#endif
RET

10
src/reflect/asm_loong64.s
View File

@ -34,13 +34,8 @@ TEXT ·makeFuncStub(SB),(NOSPLIT|WRAPPER),$432
JAL runtime·spillArgs(SB)
MOVV REGCTXT, 32(R3) // save REGCTXT > args of moveMakeFuncArgPtrs < LOCAL_REGARGS
#ifdef GOEXPERIMENT_regabiargs
MOVV REGCTXT, R4
MOVV R25, R5
#else
MOVV REGCTXT, 8(R3)
MOVV R25, 16(R3)
#endif
JAL ·moveMakeFuncArgPtrs<ABIInternal>(SB)
MOVV 32(R3), REGCTXT // restore REGCTXT
@ -66,13 +61,8 @@ TEXT ·methodValueCall(SB),(NOSPLIT|WRAPPER),$432
ADDV $LOCAL_REGARGS, R3, R25 // spillArgs using R25
JAL runtime·spillArgs(SB)
MOVV REGCTXT, 32(R3) // save REGCTXT > args of moveMakeFuncArgPtrs < LOCAL_REGARGS
#ifdef GOEXPERIMENT_regabiargs
MOVV REGCTXT, R4
MOVV R25, R5
#else
MOVV REGCTXT, 8(R3)
MOVV R25, 16(R3)
#endif
JAL ·moveMakeFuncArgPtrs<ABIInternal>(SB)
MOVV 32(R3), REGCTXT // restore REGCTXT
MOVV REGCTXT, 8(R3)

98
src/runtime/asm_loong64.s
View File

@ -124,12 +124,7 @@ TEXT gogo<>(SB), NOSPLIT|NOFRAME, $0
// Fn must never return. It should gogo(&g->sched)
// to keep running g.
TEXT runtime·mcall<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-8
#ifdef GOEXPERIMENT_regabiargs
MOVV R4, REGCTXT
#else
MOVV fn+0(FP), REGCTXT
#endif
// Save caller state in g->sched
MOVV R3, (g_sched+gobuf_sp)(g)
MOVV R1, (g_sched+gobuf_pc)(g)
@ -693,7 +688,6 @@ TEXT ·checkASM(SB),NOSPLIT,$0-1
MOVB R19, ret+0(FP)
RET
#ifdef GOEXPERIMENT_regabiargs
// spillArgs stores return values from registers to a *internal/abi.RegArgs in R25.
TEXT ·spillArgs(SB),NOSPLIT,$0-0
MOVV R4, (0*8)(R25)
@ -765,13 +759,6 @@ TEXT ·unspillArgs(SB),NOSPLIT,$0-0
MOVD (30*8)(R25), F14
MOVD (31*8)(R25), F15
RET
#else
TEXT ·spillArgs(SB),NOSPLIT,$0-0
RET
TEXT ·unspillArgs(SB),NOSPLIT,$0-0
RET
#endif
// gcWriteBarrier informs the GC about heap pointer writes.
//
@ -901,155 +888,70 @@ TEXT runtime·gcWriteBarrier8<ABIInternal>(SB),NOSPLIT,$0
// then tail call to the corresponding runtime handler.
// The tail call makes these stubs disappear in backtraces.
TEXT runtime·panicIndex<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R20, R4
MOVV R21, R5
#else
MOVV R20, x+0(FP)
MOVV R21, y+8(FP)
#endif
JMP runtime·goPanicIndex<ABIInternal>(SB)
TEXT runtime·panicIndexU<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R20, R4
MOVV R21, R5
#else
MOVV R20, x+0(FP)
MOVV R21, y+8(FP)
#endif
JMP runtime·goPanicIndexU<ABIInternal>(SB)
TEXT runtime·panicSliceAlen<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R21, R4
MOVV R23, R5
#else
MOVV R21, x+0(FP)
MOVV R23, y+8(FP)
#endif
JMP runtime·goPanicSliceAlen<ABIInternal>(SB)
TEXT runtime·panicSliceAlenU<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R21, R4
MOVV R23, R5
#else
MOVV R21, x+0(FP)
MOVV R23, y+8(FP)
#endif
JMP runtime·goPanicSliceAlenU<ABIInternal>(SB)
TEXT runtime·panicSliceAcap<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R21, R4
MOVV R23, R5
#else
MOVV R21, x+0(FP)
MOVV R23, y+8(FP)
#endif
JMP runtime·goPanicSliceAcap<ABIInternal>(SB)
TEXT runtime·panicSliceAcapU<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R21, R4
MOVV R23, R5
#else
MOVV R21, x+0(FP)
MOVV R23, y+8(FP)
#endif
JMP runtime·goPanicSliceAcapU<ABIInternal>(SB)
TEXT runtime·panicSliceB<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R20, R4
MOVV R21, R5
#else
MOVV R20, x+0(FP)
MOVV R21, y+8(FP)
#endif
JMP runtime·goPanicSliceB<ABIInternal>(SB)
TEXT runtime·panicSliceBU<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R20, R4
MOVV R21, R5
#else
MOVV R20, x+0(FP)
MOVV R21, y+8(FP)
#endif
JMP runtime·goPanicSliceBU<ABIInternal>(SB)
TEXT runtime·panicSlice3Alen<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R23, R4
MOVV R24, R5
#else
MOVV R23, x+0(FP)
MOVV R24, y+8(FP)
#endif
JMP runtime·goPanicSlice3Alen<ABIInternal>(SB)
TEXT runtime·panicSlice3AlenU<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R23, R4
MOVV R24, R5
#else
MOVV R23, x+0(FP)
MOVV R24, y+8(FP)
#endif
JMP runtime·goPanicSlice3AlenU<ABIInternal>(SB)
TEXT runtime·panicSlice3Acap<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R23, R4
MOVV R24, R5
#else
MOVV R23, x+0(FP)
MOVV R24, y+8(FP)
#endif
JMP runtime·goPanicSlice3Acap<ABIInternal>(SB)
TEXT runtime·panicSlice3AcapU<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R23, R4
MOVV R24, R5
#else
MOVV R23, x+0(FP)
MOVV R24, y+8(FP)
#endif
JMP runtime·goPanicSlice3AcapU<ABIInternal>(SB)
TEXT runtime·panicSlice3B<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R21, R4
MOVV R23, R5
#else
MOVV R21, x+0(FP)
MOVV R23, y+8(FP)
#endif
JMP runtime·goPanicSlice3B<ABIInternal>(SB)
TEXT runtime·panicSlice3BU<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R21, R4
MOVV R23, R5
#else
MOVV R21, x+0(FP)
MOVV R23, y+8(FP)
#endif
JMP runtime·goPanicSlice3BU<ABIInternal>(SB)
TEXT runtime·panicSlice3C<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R20, R4
MOVV R21, R5
#else
MOVV R20, x+0(FP)
MOVV R21, y+8(FP)
#endif
JMP runtime·goPanicSlice3C<ABIInternal>(SB)
TEXT runtime·panicSlice3CU<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R20, R4
MOVV R21, R5
#else
MOVV R20, x+0(FP)
MOVV R21, y+8(FP)
#endif
JMP runtime·goPanicSlice3CU<ABIInternal>(SB)
TEXT runtime·panicSliceConvert<ABIInternal>(SB),NOSPLIT,$0-16
#ifdef GOEXPERIMENT_regabiargs
MOVV R23, R4
MOVV R24, R5
#else
MOVV R23, x+0(FP)
MOVV R24, y+8(FP)
#endif
JMP runtime·goPanicSliceConvert<ABIInternal>(SB)

4
src/runtime/memclr_loong64.s
View File

@ -7,10 +7,6 @@
// func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)
TEXT runtime·memclrNoHeapPointers<ABIInternal>(SB),NOSPLIT,$0-16
#ifndef GOEXPERIMENT_regabiargs
MOVV ptr+0(FP), R4
MOVV n+8(FP), R5
#endif
ADDV R4, R5, R6
// if less than 8 bytes, do one byte at a time

5
src/runtime/memmove_loong64.s
View File

@ -8,11 +8,6 @@
// func memmove(to, from unsafe.Pointer, n uintptr)
TEXT runtime·memmove<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-24
#ifndef GOEXPERIMENT_regabiargs
MOVV to+0(FP), R4
MOVV from+8(FP), R5
MOVV n+16(FP), R6
#endif
BNE R6, check
RET