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![Cherry Zhang](/assets/img/avatar_default.png)
Following CL 309335, this fixes memops.go. Change-Id: Ia2458b5267deee9f906f76c50e70a021ea2fcb5b Reviewed-on: https://go-review.googlesource.com/c/go/+/309552 Trust: Cherry Zhang <cherryyz@google.com> Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com> Reviewed-by: Than McIntosh <thanm@google.com>
368 lines
12 KiB
Go
368 lines
12 KiB
Go
// asmcheck
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package codegen
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var x [2]bool
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var x8 [2]uint8
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var x16 [2]uint16
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var x32 [2]uint32
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var x64 [2]uint64
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func compMem1() int {
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// amd64:`CMPB\t"".x\+1\(SB\), [$]0`
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if x[1] {
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return 1
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}
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// amd64:`CMPB\t"".x8\+1\(SB\), [$]7`
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if x8[1] == 7 {
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return 1
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}
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// amd64:`CMPW\t"".x16\+2\(SB\), [$]7`
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if x16[1] == 7 {
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return 1
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}
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// amd64:`CMPL\t"".x32\+4\(SB\), [$]7`
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if x32[1] == 7 {
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return 1
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}
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// amd64:`CMPQ\t"".x64\+8\(SB\), [$]7`
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if x64[1] == 7 {
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return 1
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}
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return 0
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}
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type T struct {
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x bool
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x8 uint8
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x16 uint16
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x32 uint32
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x64 uint64
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a [2]int // force it passed in memory
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}
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func compMem2(t T) int {
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// amd64:`CMPB\t.*\(SP\), [$]0`
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if t.x {
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return 1
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}
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// amd64:`CMPB\t.*\(SP\), [$]7`
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if t.x8 == 7 {
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return 1
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}
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// amd64:`CMPW\t.*\(SP\), [$]7`
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if t.x16 == 7 {
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return 1
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}
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// amd64:`CMPL\t.*\(SP\), [$]7`
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if t.x32 == 7 {
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return 1
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}
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// amd64:`CMPQ\t.*\(SP\), [$]7`
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if t.x64 == 7 {
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return 1
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}
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return 0
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}
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func compMem3(x, y *int) (int, bool) {
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// We can do comparisons of a register with memory even if
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// the register is used subsequently.
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r := *x
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// amd64:`CMPQ\t\(`
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// 386:`CMPL\t\(`
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return r, r < *y
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}
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// The following functions test that indexed load/store operations get generated.
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func idxInt8(x, y []int8, i int) {
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var t int8
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// amd64: `MOVBL[SZ]X\t1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*`
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// 386: `MOVBL[SZ]X\t1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*`
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t = x[i+1]
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// amd64: `MOVB\t[A-Z]+[0-9]*, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)`
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// 386: `MOVB\t[A-Z]+[0-9]*, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)`
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y[i+1] = t
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// amd64: `MOVB\t[$]77, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)`
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// 386: `MOVB\t[$]77, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)`
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x[i+1] = 77
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}
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func idxInt16(x, y []int16, i int) {
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var t int16
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// amd64: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\), [A-Z]+[0-9]*`
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// 386: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\), [A-Z]+[0-9]*`
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t = x[i+1]
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// amd64: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)`
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// 386: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)`
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y[i+1] = t
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// amd64: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\), [A-Z]+[0-9]*`
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// 386: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\), [A-Z]+[0-9]*`
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t = x[16*i+1]
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// amd64: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)`
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// 386: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)`
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y[16*i+1] = t
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// amd64: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)`
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// 386: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)`
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x[i+1] = 77
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// amd64: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)`
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// 386: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)`
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x[16*i+1] = 77
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}
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func idxInt32(x, y []int32, i int) {
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var t int32
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// amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
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// 386: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
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t = x[i+1]
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// amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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// 386: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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y[i+1] = t
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// amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
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t = x[2*i+1]
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// amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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y[2*i+1] = t
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// amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), [A-Z]+[0-9]*`
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// 386: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), [A-Z]+[0-9]*`
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t = x[16*i+1]
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// amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)`
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// 386: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)`
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y[16*i+1] = t
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// amd64: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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// 386: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+1] = 77
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// amd64: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)`
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// 386: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)`
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x[16*i+1] = 77
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}
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func idxInt64(x, y []int64, i int) {
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var t int64
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// amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
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t = x[i+1]
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// amd64: `MOVQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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y[i+1] = t
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// amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), [A-Z]+[0-9]*`
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t = x[16*i+1]
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// amd64: `MOVQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)`
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y[16*i+1] = t
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// amd64: `MOVQ\t[$]77, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+1] = 77
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// amd64: `MOVQ\t[$]77, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)`
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x[16*i+1] = 77
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}
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func idxFloat32(x, y []float32, i int) {
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var t float32
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// amd64: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+`
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// 386/sse2: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+`
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// arm64: `FMOVS\t\(R[0-9]*\)\(R[0-9]*<<2\), F[0-9]+`
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t = x[i+1]
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// amd64: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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// 386/sse2: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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// arm64: `FMOVS\tF[0-9]+, \(R[0-9]*\)\(R[0-9]*<<2\)`
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y[i+1] = t
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// amd64: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), X[0-9]+`
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// 386/sse2: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), X[0-9]+`
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t = x[16*i+1]
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// amd64: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)`
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// 386/sse2: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)`
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y[16*i+1] = t
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}
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func idxFloat64(x, y []float64, i int) {
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var t float64
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// amd64: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+`
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// 386/sse2: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+`
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// arm64: `FMOVD\t\(R[0-9]*\)\(R[0-9]*<<3\), F[0-9]+`
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t = x[i+1]
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// amd64: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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// 386/sse2: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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// arm64: `FMOVD\tF[0-9]+, \(R[0-9]*\)\(R[0-9]*<<3\)`
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y[i+1] = t
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// amd64: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), X[0-9]+`
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// 386/sse2: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), X[0-9]+`
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t = x[16*i+1]
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// amd64: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)`
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// 386/sse2: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)`
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y[16*i+1] = t
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}
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func idxLoadPlusOp32(x []int32, i int) int32 {
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s := x[0]
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// 386: `ADDL\t4\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+`
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// amd64: `ADDL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
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s += x[i+1]
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// 386: `SUBL\t8\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+`
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// amd64: `SUBL\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
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s -= x[i+2]
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// 386: `IMULL\t12\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+`
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s *= x[i+3]
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// 386: `ANDL\t16\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+`
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// amd64: `ANDL\t16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
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s &= x[i+4]
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// 386: `ORL\t20\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+`
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// amd64: `ORL\t20\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
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s |= x[i+5]
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// 386: `XORL\t24\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+`
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// amd64: `XORL\t24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
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s ^= x[i+6]
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return s
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}
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func idxLoadPlusOp64(x []int64, i int) int64 {
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s := x[0]
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// amd64: `ADDQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
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s += x[i+1]
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// amd64: `SUBQ\t16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
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s -= x[i+2]
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// amd64: `ANDQ\t24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
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s &= x[i+3]
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// amd64: `ORQ\t32\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
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s |= x[i+4]
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// amd64: `XORQ\t40\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
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s ^= x[i+5]
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return s
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}
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func idxStorePlusOp32(x []int32, i int, v int32) {
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// 386: `ADDL\t[A-Z]+, 4\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `ADDL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+1] += v
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// 386: `SUBL\t[A-Z]+, 8\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `SUBL\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+2] -= v
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// 386: `ANDL\t[A-Z]+, 12\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `ANDL\t[A-Z]+[0-9]*, 12\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+3] &= v
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// 386: `ORL\t[A-Z]+, 16\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `ORL\t[A-Z]+[0-9]*, 16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+4] |= v
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// 386: `XORL\t[A-Z]+, 20\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `XORL\t[A-Z]+[0-9]*, 20\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+5] ^= v
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// 386: `ADDL\t[$]77, 24\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `ADDL\t[$]77, 24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+6] += 77
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// 386: `ANDL\t[$]77, 28\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `ANDL\t[$]77, 28\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+7] &= 77
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// 386: `ORL\t[$]77, 32\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `ORL\t[$]77, 32\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+8] |= 77
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// 386: `XORL\t[$]77, 36\([A-Z]+\)\([A-Z]+\*4\)`
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// amd64: `XORL\t[$]77, 36\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)`
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x[i+9] ^= 77
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}
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func idxStorePlusOp64(x []int64, i int, v int64) {
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// amd64: `ADDQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+1] += v
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// amd64: `SUBQ\t[A-Z]+[0-9]*, 16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+2] -= v
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// amd64: `ANDQ\t[A-Z]+[0-9]*, 24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+3] &= v
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// amd64: `ORQ\t[A-Z]+[0-9]*, 32\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+4] |= v
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// amd64: `XORQ\t[A-Z]+[0-9]*, 40\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+5] ^= v
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// amd64: `ADDQ\t[$]77, 48\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+6] += 77
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// amd64: `ANDQ\t[$]77, 56\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+7] &= 77
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// amd64: `ORQ\t[$]77, 64\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
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x[i+8] |= 77
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// amd64: `XORQ\t[$]77, 72\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
|
|
x[i+9] ^= 77
|
|
}
|
|
|
|
func idxCompare(i int) int {
|
|
// amd64: `MOVBLZX\t1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*`
|
|
if x8[i+1] < x8[0] {
|
|
return 0
|
|
}
|
|
// amd64: `MOVWLZX\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\), [A-Z]+[0-9]*`
|
|
if x16[i+1] < x16[0] {
|
|
return 0
|
|
}
|
|
// amd64: `MOVWLZX\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\), [A-Z]+[0-9]*`
|
|
if x16[16*i+1] < x16[0] {
|
|
return 0
|
|
}
|
|
// amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
|
|
if x32[i+1] < x32[0] {
|
|
return 0
|
|
}
|
|
// amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), [A-Z]+[0-9]*`
|
|
if x32[16*i+1] < x32[0] {
|
|
return 0
|
|
}
|
|
// amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
|
|
if x64[i+1] < x64[0] {
|
|
return 0
|
|
}
|
|
// amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), [A-Z]+[0-9]*`
|
|
if x64[16*i+1] < x64[0] {
|
|
return 0
|
|
}
|
|
// amd64: `MOVBLZX\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*`
|
|
if x8[i+2] < 77 {
|
|
return 0
|
|
}
|
|
// amd64: `MOVWLZX\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\), [A-Z]+[0-9]*`
|
|
if x16[i+2] < 77 {
|
|
return 0
|
|
}
|
|
// amd64: `MOVWLZX\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\), [A-Z]+[0-9]*`
|
|
if x16[16*i+2] < 77 {
|
|
return 0
|
|
}
|
|
// amd64: `MOVL\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*`
|
|
if x32[i+2] < 77 {
|
|
return 0
|
|
}
|
|
// amd64: `MOVL\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), [A-Z]+[0-9]*`
|
|
if x32[16*i+2] < 77 {
|
|
return 0
|
|
}
|
|
// amd64: `MOVQ\t16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
|
|
if x64[i+2] < 77 {
|
|
return 0
|
|
}
|
|
// amd64: `MOVQ\t16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), [A-Z]+[0-9]*`
|
|
if x64[16*i+2] < 77 {
|
|
return 0
|
|
}
|
|
return 1
|
|
}
|
|
|
|
func idxFloatOps(a []float64, b []float32, i int) (float64, float32) {
|
|
c := float64(7)
|
|
// amd64: `ADDSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+`
|
|
c += a[i+1]
|
|
// amd64: `SUBSD\t16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+`
|
|
c -= a[i+2]
|
|
// amd64: `MULSD\t24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+`
|
|
c *= a[i+3]
|
|
// amd64: `DIVSD\t32\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+`
|
|
c /= a[i+4]
|
|
|
|
d := float32(8)
|
|
// amd64: `ADDSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+`
|
|
d += b[i+1]
|
|
// amd64: `SUBSS\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+`
|
|
d -= b[i+2]
|
|
// amd64: `MULSS\t12\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+`
|
|
d *= b[i+3]
|
|
// amd64: `DIVSS\t16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+`
|
|
d /= b[i+4]
|
|
return c, d
|
|
}
|