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e0deacd1c0
This reverts commit CL 224837. Reason for revert: Reverting partial reverts of 222782. Update #37881 Change-Id: Ie9bf84d6e17ed214abe538965e5ff03936886826 Reviewed-on: https://go-review.googlesource.com/c/go/+/225217 Reviewed-by: Bryan C. Mills <bcmills@google.com>
245 lines
7 KiB
Go
245 lines
7 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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//go:noinline
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func f(x int) bool {
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return false
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}
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//go:noinline
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func f8(x int) int8 {
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return 0
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}
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//go:noinline
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func f16(x int) int16 {
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return 0
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}
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//go:noinline
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func f32(x int) int32 {
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return 0
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}
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//go:noinline
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func f64(x int) int64 {
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return 0
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}
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func compMem2() int {
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// amd64:`CMPB\t8\(SP\), [$]0`
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if f(3) {
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return 1
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}
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// amd64:`CMPB\t8\(SP\), [$]7`
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if f8(3) == 7 {
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return 1
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}
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// amd64:`CMPW\t8\(SP\), [$]7`
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if f16(3) == 7 {
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return 1
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}
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// amd64:`CMPL\t8\(SP\), [$]7`
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if f32(3) == 7 {
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return 1
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}
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// amd64:`CMPQ\t8\(SP\), [$]7`
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if f64(3) == 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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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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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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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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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 idxLoadPlusOp(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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s += x[i+1]
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// 386: `SUBL\t8\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+`
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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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s &= x[i+4]
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// 386: `ORL\t20\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+`
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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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s ^= x[i+6]
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return s
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}
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func idxStorePlusOp(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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x[i+1] += v
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// 386: `SUBL\t[A-Z]+, 8\([A-Z]+\)\([A-Z]+\*4\)`
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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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x[i+3] &= v
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// 386: `ORL\t[A-Z]+, 16\([A-Z]+\)\([A-Z]+\*4\)`
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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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x[i+5] ^= v
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// 386: `ADDL\t[$]77, 24\([A-Z]+\)\([A-Z]+\*4\)`
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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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x[i+7] &= 77
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// 386: `ORL\t[$]77, 32\([A-Z]+\)\([A-Z]+\*4\)`
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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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x[i+9] ^= 77
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}
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