// asmcheck // Copyright 2018 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package codegen var x [2]bool var x8 [2]uint8 var x16 [2]uint16 var x32 [2]uint32 var x64 [2]uint64 func compMem1() int { // amd64:`CMPB\tcommand-line-arguments.x\+1\(SB\), [$]0` if x[1] { return 1 } // amd64:`CMPB\tcommand-line-arguments.x8\+1\(SB\), [$]7` if x8[1] == 7 { return 1 } // amd64:`CMPW\tcommand-line-arguments.x16\+2\(SB\), [$]7` if x16[1] == 7 { return 1 } // amd64:`CMPL\tcommand-line-arguments.x32\+4\(SB\), [$]7` if x32[1] == 7 { return 1 } // amd64:`CMPQ\tcommand-line-arguments.x64\+8\(SB\), [$]7` if x64[1] == 7 { return 1 } return 0 } type T struct { x bool x8 uint8 x16 uint16 x32 uint32 x64 uint64 a [2]int // force it passed in memory } func compMem2(t T) int { // amd64:`CMPB\t.*\(SP\), [$]0` if t.x { return 1 } // amd64:`CMPB\t.*\(SP\), [$]7` if t.x8 == 7 { return 1 } // amd64:`CMPW\t.*\(SP\), [$]7` if t.x16 == 7 { return 1 } // amd64:`CMPL\t.*\(SP\), [$]7` if t.x32 == 7 { return 1 } // amd64:`CMPQ\t.*\(SP\), [$]7` if t.x64 == 7 { return 1 } return 0 } func compMem3(x, y *int) (int, bool) { // We can do comparisons of a register with memory even if // the register is used subsequently. r := *x // amd64:`CMPQ\t\(` // 386:`CMPL\t\(` return r, r < *y } // The following functions test that indexed load/store operations get generated. func idxInt8(x, y []int8, i int) { var t int8 // amd64: `MOVBL[SZ]X\t1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*` // 386: `MOVBL[SZ]X\t1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\), [A-Z]+[0-9]*` t = x[i+1] // amd64: `MOVB\t[A-Z]+[0-9]*, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` // 386: `MOVB\t[A-Z]+[0-9]*, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` y[i+1] = t // amd64: `MOVB\t[$]77, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` // 386: `MOVB\t[$]77, 1\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` x[i+1] = 77 } func idxInt16(x, y []int16, i int) { var t int16 // amd64: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\), [A-Z]+[0-9]*` // 386: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\), [A-Z]+[0-9]*` t = x[i+1] // amd64: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)` // 386: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)` y[i+1] = t // amd64: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\), [A-Z]+[0-9]*` // 386: `MOVWL[SZ]X\t2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\), [A-Z]+[0-9]*` t = x[16*i+1] // amd64: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)` // 386: `MOVW\t[A-Z]+[0-9]*, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)` y[16*i+1] = t // amd64: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)` // 386: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*2\)` x[i+1] = 77 // amd64: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)` // 386: `MOVW\t[$]77, 2\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[12]\)` x[16*i+1] = 77 } func idxInt32(x, y []int32, i int) { var t int32 // amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` // 386: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` t = x[i+1] // amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` // 386: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` y[i+1] = t // amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` t = x[2*i+1] // amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` y[2*i+1] = t // amd64: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), [A-Z]+[0-9]*` // 386: `MOVL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), [A-Z]+[0-9]*` t = x[16*i+1] // amd64: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` // 386: `MOVL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` y[16*i+1] = t // amd64: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` // 386: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+1] = 77 // amd64: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` // 386: `MOVL\t[$]77, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` x[16*i+1] = 77 } func idxInt64(x, y []int64, i int) { var t int64 // amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` t = x[i+1] // amd64: `MOVQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` y[i+1] = t // amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), [A-Z]+[0-9]*` t = x[16*i+1] // amd64: `MOVQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)` y[16*i+1] = t // amd64: `MOVQ\t[$]77, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+1] = 77 // amd64: `MOVQ\t[$]77, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)` x[16*i+1] = 77 } func idxFloat32(x, y []float32, i int) { var t float32 // amd64: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+` // 386/sse2: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), X[0-9]+` // arm64: `FMOVS\t\(R[0-9]*\)\(R[0-9]*<<2\), F[0-9]+` t = x[i+1] // amd64: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` // 386/sse2: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` // arm64: `FMOVS\tF[0-9]+, \(R[0-9]*\)\(R[0-9]*<<2\)` y[i+1] = t // amd64: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), X[0-9]+` // 386/sse2: `MOVSS\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\), X[0-9]+` t = x[16*i+1] // amd64: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` // 386/sse2: `MOVSS\tX[0-9]+, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[14]\)` y[16*i+1] = t } func idxFloat64(x, y []float64, i int) { var t float64 // amd64: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+` // 386/sse2: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), X[0-9]+` // arm64: `FMOVD\t\(R[0-9]*\)\(R[0-9]*<<3\), F[0-9]+` t = x[i+1] // amd64: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` // 386/sse2: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` // arm64: `FMOVD\tF[0-9]+, \(R[0-9]*\)\(R[0-9]*<<3\)` y[i+1] = t // amd64: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), X[0-9]+` // 386/sse2: `MOVSD\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), X[0-9]+` t = x[16*i+1] // amd64: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)` // 386/sse2: `MOVSD\tX[0-9]+, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)` y[16*i+1] = t } func idxLoadPlusOp32(x []int32, i int) int32 { s := x[0] // 386: `ADDL\t4\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` // amd64: `ADDL\t4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` s += x[i+1] // 386: `SUBL\t8\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` // amd64: `SUBL\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` s -= x[i+2] // 386: `IMULL\t12\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` s *= x[i+3] // 386: `ANDL\t16\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` // amd64: `ANDL\t16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` s &= x[i+4] // 386: `ORL\t20\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` // amd64: `ORL\t20\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` s |= x[i+5] // 386: `XORL\t24\([A-Z]+\)\([A-Z]+\*4\), [A-Z]+` // amd64: `XORL\t24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\), [A-Z]+[0-9]*` s ^= x[i+6] return s } func idxLoadPlusOp64(x []int64, i int) int64 { s := x[0] // amd64: `ADDQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` s += x[i+1] // amd64: `SUBQ\t16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` s -= x[i+2] // amd64: `ANDQ\t24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` s &= x[i+3] // amd64: `ORQ\t32\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` s |= x[i+4] // amd64: `XORQ\t40\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*` s ^= x[i+5] return s } func idxStorePlusOp32(x []int32, i int, v int32) { // 386: `ADDL\t[A-Z]+, 4\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `ADDL\t[A-Z]+[0-9]*, 4\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+1] += v // 386: `SUBL\t[A-Z]+, 8\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `SUBL\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+2] -= v // 386: `ANDL\t[A-Z]+, 12\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `ANDL\t[A-Z]+[0-9]*, 12\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+3] &= v // 386: `ORL\t[A-Z]+, 16\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `ORL\t[A-Z]+[0-9]*, 16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+4] |= v // 386: `XORL\t[A-Z]+, 20\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `XORL\t[A-Z]+[0-9]*, 20\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+5] ^= v // 386: `ADDL\t[$]77, 24\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `ADDL\t[$]77, 24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+6] += 77 // 386: `ANDL\t[$]77, 28\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `ANDL\t[$]77, 28\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+7] &= 77 // 386: `ORL\t[$]77, 32\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `ORL\t[$]77, 32\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+8] |= 77 // 386: `XORL\t[$]77, 36\([A-Z]+\)\([A-Z]+\*4\)` // amd64: `XORL\t[$]77, 36\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*4\)` x[i+9] ^= 77 } func idxStorePlusOp64(x []int64, i int, v int64) { // amd64: `ADDQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+1] += v // amd64: `SUBQ\t[A-Z]+[0-9]*, 16\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+2] -= v // amd64: `ANDQ\t[A-Z]+[0-9]*, 24\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+3] &= v // amd64: `ORQ\t[A-Z]+[0-9]*, 32\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+4] |= v // amd64: `XORQ\t[A-Z]+[0-9]*, 40\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+5] ^= v // amd64: `ADDQ\t[$]77, 48\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+6] += 77 // amd64: `ANDQ\t[$]77, 56\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+7] &= 77 // amd64: `ORQ\t[$]77, 64\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)` x[i+8] |= 77 // 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 } func storeTest(a []bool, v int, i int) { // amd64: `BTL\t\$0,`,`SETCS\t4\([A-Z]+[0-9]*\)` a[4] = v&1 != 0 // amd64: `BTL\t\$1,`,`SETCS\t3\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*1\)` a[3+i] = v&2 != 0 } func bitOps(p *[12]uint64) { // amd64: `ORQ\t\$8, \(AX\)` p[0] |= 8 // amd64: `ORQ\t\$1073741824, 8\(AX\)` p[1] |= 1 << 30 // amd64: `BTSQ\t\$31, 16\(AX\)` p[2] |= 1 << 31 // amd64: `BTSQ\t\$63, 24\(AX\)` p[3] |= 1 << 63 // amd64: `ANDQ\t\$-9, 32\(AX\)` p[4] &^= 8 // amd64: `ANDQ\t\$-1073741825, 40\(AX\)` p[5] &^= 1 << 30 // amd64: `BTRQ\t\$31, 48\(AX\)` p[6] &^= 1 << 31 // amd64: `BTRQ\t\$63, 56\(AX\)` p[7] &^= 1 << 63 // amd64: `XORQ\t\$8, 64\(AX\)` p[8] ^= 8 // amd64: `XORQ\t\$1073741824, 72\(AX\)` p[9] ^= 1 << 30 // amd64: `BTCQ\t\$31, 80\(AX\)` p[10] ^= 1 << 31 // amd64: `BTCQ\t\$63, 88\(AX\)` p[11] ^= 1 << 63 }