mirror of https://github.com/golang/go.git
all: delete riscv64 non-register ABI fallback path
Change-Id: I9e997b59ffb868575b780b9660df1f5ac322b79a Reviewed-on: https://go-review.googlesource.com/c/go/+/443556 Reviewed-by: Cherry Mui <cherryyz@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org> Reviewed-by: David Chase <drchase@google.com>
This commit is contained in:
Wayne Zuo
parent
3dc13023c1
commit
5d59fa143a
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@ -6,13 +6,6 @@
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#include "textflag.h"
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TEXT ·Compare<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-56
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#ifndef GOEXPERIMENT_regabiargs
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MOV a_base+0(FP), X10
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MOV a_len+8(FP), X11
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MOV b_base+24(FP), X12
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MOV b_len+32(FP), X13
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MOV $ret+48(FP), X14
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#else
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// X10 = a_base
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// X11 = a_len
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// X12 = a_cap (unused)
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@ -21,17 +14,9 @@ TEXT ·Compare<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-56
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// X15 = b_cap (unused)
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MOV X13, X12
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MOV X14, X13
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#endif
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JMP compare<>(SB)
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TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-40
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#ifndef GOEXPERIMENT_regabiargs
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MOV a_base+0(FP), X10
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MOV a_len+8(FP), X11
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MOV b_base+16(FP), X12
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MOV b_len+24(FP), X13
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MOV $ret+32(FP), X14
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#endif
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// X10 = a_base
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// X11 = a_len
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// X12 = b_base
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@ -199,7 +184,4 @@ cmp:
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SLTU X8, X9, X6
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cmp_ret:
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SUB X5, X6, X10
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#ifndef GOEXPERIMENT_regabiargs
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MOV X10, (X14)
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#endif
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RET
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@ -6,17 +6,11 @@
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#include "textflag.h"
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TEXT ·Count<ABIInternal>(SB),NOSPLIT,$0-40
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#ifndef GOEXPERIMENT_regabiargs
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MOV b_base+0(FP), X10
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MOV b_len+8(FP), X11
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MOVBU c+24(FP), X12 // byte to count
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#else
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// X10 = b_base
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// X11 = b_len
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// X12 = b_cap (unused)
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// X13 = byte to count (want in X12)
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AND $0xff, X13, X12
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#endif
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MOV ZERO, X14 // count
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ADD X10, X11 // end
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@ -29,19 +23,10 @@ loop:
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JMP loop
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done:
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#ifndef GOEXPERIMENT_regabiargs
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MOV X14, ret+32(FP)
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#else
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MOV X14, X10
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#endif
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RET
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TEXT ·CountString<ABIInternal>(SB),NOSPLIT,$0-32
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#ifndef GOEXPERIMENT_regabiargs
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MOV s_base+0(FP), X10
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MOV s_len+8(FP), X11
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MOVBU c+16(FP), X12 // byte to count
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#endif
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// X10 = s_base
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// X11 = s_len
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// X12 = byte to count
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@ -58,9 +43,5 @@ loop:
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JMP loop
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done:
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#ifndef GOEXPERIMENT_regabiargs
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MOV X14, ret+24(FP)
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#else
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MOV X14, X10
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#endif
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RET
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@ -9,12 +9,6 @@
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// func memequal(a, b unsafe.Pointer, size uintptr) bool
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TEXT runtime·memequal<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-25
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#ifndef GOEXPERIMENT_regabiargs
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MOV a+0(FP), X10
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MOV b+8(FP), X11
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MOV size+16(FP), X12
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MOV $ret+24(FP), X13
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#endif
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// X10 = a_base
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// X11 = b_base
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// X12 = size
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@ -23,11 +17,6 @@ TEXT runtime·memequal<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-25
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// func memequal_varlen(a, b unsafe.Pointer) bool
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TEXT runtime·memequal_varlen<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-17
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MOV 8(CTXT), X12 // compiler stores size at offset 8 in the closure
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#ifndef GOEXPERIMENT_regabiargs
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MOV a+0(FP), X10
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MOV b+8(FP), X11
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MOV $ret+16(FP), X13
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#endif
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// X10 = a_base
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// X11 = b_base
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JMP memequal<>(SB)
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@ -128,17 +117,8 @@ loop1:
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JMP loop1
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not_eq:
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#ifndef GOEXPERIMENT_regabiargs
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MOVB ZERO, (X13)
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#else
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MOVB ZERO, X10
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#endif
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RET
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eq:
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#ifndef GOEXPERIMENT_regabiargs
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MOV $1, X10
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MOVB X10, (X13)
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#else
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MOV $1, X10
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#endif
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RET
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@ -6,11 +6,6 @@
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#include "textflag.h"
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TEXT ·IndexByte<ABIInternal>(SB),NOSPLIT,$0-40
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#ifndef GOEXPERIMENT_regabiargs
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MOV b_base+0(FP), X10
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MOV b_len+8(FP), X11
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MOVBU c+24(FP), X13 // byte to find
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#endif
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// X10 = b_base
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// X11 = b_len
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// X12 = b_cap (unused)
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@ -27,24 +22,13 @@ loop:
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BNE X13, X14, loop
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SUB X12, X10 // remove base
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#ifndef GOEXPERIMENT_regabiargs
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MOV X10, ret+32(FP)
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#endif
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RET
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notfound:
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MOV $-1, X10
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#ifndef GOEXPERIMENT_regabiargs
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MOV X10, ret+32(FP)
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#endif
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RET
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TEXT ·IndexByteString<ABIInternal>(SB),NOSPLIT,$0-32
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#ifndef GOEXPERIMENT_regabiargs
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MOV s_base+0(FP), X10
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MOV s_len+8(FP), X11
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MOVBU c+16(FP), X12 // byte to find
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#endif
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// X10 = b_base
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// X11 = b_len
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// X12 = byte to find
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@ -60,14 +44,8 @@ loop:
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BNE X12, X14, loop
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SUB X13, X10 // remove base
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#ifndef GOEXPERIMENT_regabiargs
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MOV X10, ret+24(FP)
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#endif
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RET
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notfound:
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MOV $-1, X10
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#ifndef GOEXPERIMENT_regabiargs
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MOV X10, ret+24(FP)
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#endif
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RET
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@ -268,11 +268,7 @@ TEXT runtime·procyield(SB),NOSPLIT,$0-0
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// func mcall(fn func(*g))
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TEXT runtime·mcall<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-8
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#ifdef GOEXPERIMENT_regabiargs
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MOV X10, CTXT
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#else
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MOV fn+0(FP), CTXT
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#endif
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// Save caller state in g->sched
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MOV X2, (g_sched+gobuf_sp)(g)
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@ -644,7 +640,6 @@ TEXT ·checkASM(SB),NOSPLIT,$0-1
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MOV T0, ret+0(FP)
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RET
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#ifdef GOEXPERIMENT_regabiargs
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// spillArgs stores return values from registers to a *internal/abi.RegArgs in X25.
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TEXT ·spillArgs(SB),NOSPLIT,$0-0
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MOV X10, (0*8)(X25)
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@ -716,13 +711,6 @@ TEXT ·unspillArgs(SB),NOSPLIT,$0-0
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MOVD (30*8)(X25), F22
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MOVD (31*8)(X25), F23
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RET
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#else
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TEXT ·spillArgs(SB),NOSPLIT,$0-0
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RET
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TEXT ·unspillArgs(SB),NOSPLIT,$0-0
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RET
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#endif
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// gcWriteBarrier performs a heap pointer write and informs the GC.
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//
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@ -832,157 +820,72 @@ flush:
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// corresponding runtime handler.
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// The tail call makes these stubs disappear in backtraces.
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TEXT runtime·panicIndex<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T0, X10
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MOV T1, X11
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#else
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MOV T0, x+0(FP)
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MOV T1, y+8(FP)
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#endif
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JMP runtime·goPanicIndex<ABIInternal>(SB)
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TEXT runtime·panicIndexU<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T0, X10
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MOV T1, X11
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#else
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MOV T0, x+0(FP)
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MOV T1, y+8(FP)
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#endif
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JMP runtime·goPanicIndexU<ABIInternal>(SB)
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TEXT runtime·panicSliceAlen<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T1, X10
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MOV T2, X11
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#else
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MOV T1, x+0(FP)
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MOV T2, y+8(FP)
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#endif
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JMP runtime·goPanicSliceAlen<ABIInternal>(SB)
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TEXT runtime·panicSliceAlenU<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T1, X10
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MOV T2, X11
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#else
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MOV T1, x+0(FP)
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MOV T2, y+8(FP)
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#endif
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JMP runtime·goPanicSliceAlenU<ABIInternal>(SB)
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TEXT runtime·panicSliceAcap<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T1, X10
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MOV T2, X11
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#else
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MOV T1, x+0(FP)
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MOV T2, y+8(FP)
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#endif
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JMP runtime·goPanicSliceAcap<ABIInternal>(SB)
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TEXT runtime·panicSliceAcapU<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T1, X10
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MOV T2, X11
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#else
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MOV T1, x+0(FP)
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MOV T2, y+8(FP)
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#endif
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JMP runtime·goPanicSliceAcapU<ABIInternal>(SB)
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TEXT runtime·panicSliceB<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T0, X10
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MOV T1, X11
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#else
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MOV T0, x+0(FP)
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MOV T1, y+8(FP)
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#endif
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JMP runtime·goPanicSliceB<ABIInternal>(SB)
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TEXT runtime·panicSliceBU<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T0, X10
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MOV T1, X11
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#else
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MOV T0, x+0(FP)
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MOV T1, y+8(FP)
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#endif
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JMP runtime·goPanicSliceBU<ABIInternal>(SB)
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TEXT runtime·panicSlice3Alen<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T2, X10
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MOV T3, X11
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#else
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MOV T2, x+0(FP)
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MOV T3, y+8(FP)
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#endif
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JMP runtime·goPanicSlice3Alen<ABIInternal>(SB)
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TEXT runtime·panicSlice3AlenU<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T2, X10
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MOV T3, X11
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#else
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MOV T2, x+0(FP)
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MOV T3, y+8(FP)
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#endif
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JMP runtime·goPanicSlice3AlenU<ABIInternal>(SB)
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TEXT runtime·panicSlice3Acap<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T2, X10
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MOV T3, X11
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#else
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MOV T2, x+0(FP)
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MOV T3, y+8(FP)
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#endif
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JMP runtime·goPanicSlice3Acap<ABIInternal>(SB)
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TEXT runtime·panicSlice3AcapU<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T2, X10
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MOV T3, X11
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#else
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MOV T2, x+0(FP)
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MOV T3, y+8(FP)
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#endif
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JMP runtime·goPanicSlice3AcapU<ABIInternal>(SB)
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TEXT runtime·panicSlice3B<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T1, X10
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MOV T2, X11
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#else
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MOV T1, x+0(FP)
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MOV T2, y+8(FP)
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#endif
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JMP runtime·goPanicSlice3B<ABIInternal>(SB)
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TEXT runtime·panicSlice3BU<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T1, X10
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MOV T2, X11
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#else
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MOV T1, x+0(FP)
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MOV T2, y+8(FP)
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#endif
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JMP runtime·goPanicSlice3BU<ABIInternal>(SB)
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TEXT runtime·panicSlice3C<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T0, X10
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MOV T1, X11
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#else
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MOV T0, x+0(FP)
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MOV T1, y+8(FP)
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#endif
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JMP runtime·goPanicSlice3C<ABIInternal>(SB)
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TEXT runtime·panicSlice3CU<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T0, X10
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MOV T1, X11
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#else
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MOV T0, x+0(FP)
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MOV T1, y+8(FP)
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#endif
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JMP runtime·goPanicSlice3CU<ABIInternal>(SB)
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TEXT runtime·panicSliceConvert<ABIInternal>(SB),NOSPLIT,$0-16
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#ifdef GOEXPERIMENT_regabiargs
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MOV T2, X10
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MOV T3, X11
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#else
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MOV T2, x+0(FP)
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MOV T3, y+8(FP)
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#endif
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JMP runtime·goPanicSliceConvert<ABIInternal>(SB)
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DATA runtime·mainPC+0(SB)/8,$runtime·main<ABIInternal>(SB)
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@ -8,10 +8,8 @@
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// void runtime·memclrNoHeapPointers(void*, uintptr)
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TEXT runtime·memclrNoHeapPointers<ABIInternal>(SB),NOSPLIT,$0-16
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#ifndef GOEXPERIMENT_regabiargs
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MOV ptr+0(FP), X10
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MOV n+8(FP), X11
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#endif
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// X10 = ptr
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// X11 = n
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// If less than 8 bytes, do single byte zeroing.
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MOV $8, X9
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@ -8,11 +8,9 @@
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// void runtime·memmove(void*, void*, uintptr)
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TEXT runtime·memmove<ABIInternal>(SB),NOSPLIT,$-0-24
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#ifndef GOEXPERIMENT_regabiargs
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MOV to+0(FP), A0
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MOV from+8(FP), A1
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MOV n+16(FP), A2
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#endif
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// A0 = to
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// A1 = from
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// A2 = n
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ADD A1, A2, T5
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// If the destination is ahead of the source, start at the end of the
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