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test/codegen: port last remaining misc bit/arithmetic tests
And delete them from asm_test. Change-Id: I9a75efe9858ef9d7ac86065f860c2ae3f25b0941 Reviewed-on: https://go-review.googlesource.com/105597 Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
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@ -238,11 +238,6 @@ var allAsmTests = []*asmTests{
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os: "linux",
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tests: linuxARM64Tests,
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},
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{
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arch: "mips64",
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os: "linux",
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tests: linuxMIPS64Tests,
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},
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{
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arch: "amd64",
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os: "plan9",
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@ -251,14 +246,6 @@ var allAsmTests = []*asmTests{
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}
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var linuxAMD64Tests = []*asmTest{
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{
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fn: `
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func $(x int) int {
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return x * 96
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}
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`,
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pos: []string{"\tSHLQ\t\\$5,", "\tLEAQ\t\\(.*\\)\\(.*\\*2\\),"},
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},
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{
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// make sure assembly output has matching offset and base register.
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fn: `
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@ -339,17 +326,6 @@ var linuxARM64Tests = []*asmTest{
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`,
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pos: []string{"\tAND\t"},
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},
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{
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// check that we don't emit comparisons for constant shift
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fn: `
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//go:nosplit
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func $(x int) int {
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return x << 17
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}
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`,
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pos: []string{"LSL\t\\$17"},
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neg: []string{"CMP"},
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},
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// Load-combining tests.
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{
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fn: `
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@ -375,19 +351,6 @@ var linuxARM64Tests = []*asmTest{
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},
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}
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var linuxMIPS64Tests = []*asmTest{
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{
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// check that we don't emit comparisons for constant shift
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fn: `
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func $(x int) int {
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return x << 17
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}
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`,
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pos: []string{"SLLV\t\\$17"},
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neg: []string{"SGT"},
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},
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}
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var plan9AMD64Tests = []*asmTest{
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// We should make sure that the compiler doesn't generate floating point
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// instructions for non-float operations on Plan 9, because floating point
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@ -30,6 +30,11 @@ func Pow2Muls(n1, n2 int) (int, int) {
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return a, b
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}
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func Mul_96(n int) int {
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// amd64:`SHLQ\t[$]5`,`LEAQ\t\(.*\)\(.*\*2\),`
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return n * 96
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}
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// Multiplications merging tests
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func MergeMuls1(n int) int {
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@ -222,3 +222,11 @@ func ubfx11(x uint64) uint64 {
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// arm64:"UBFX\t[$]1, R[0-9]+, [$]19",-"LSL",-"LSR"
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return ((x & 0xfffff) << 3) >> 4
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}
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// Check that we don't emit comparisons for constant shifts.
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//go:nosplit
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func shift_no_cmp(x int) int {
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// arm64:`LSL\t[$]17`,-`CMP`
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// mips64:`SLLV\t[$]17`,-`SGT`
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return x << 17
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}
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