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This commit is contained in:
Kovid Goyal
2024-02-10 15:13:48 +05:30
parent 493fc900e9
commit 31a5fcf297
1 changed files with 12 additions and 21 deletions
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33
tools/simdstring/generate.go
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@@ -1294,7 +1294,7 @@ func (isa *ISA) LEA() string {
return "LEAQ"
}
func (s *State) index_func(f *Function, test_bytes_impl func(pos, test_ans Register, aligned bool, byte_found_label string)) {
func (s *State) index_func(f *Function, test_bytes_impl func(bytes_to_test, test_ans Register)) {
pos := f.Reg()
test_ans := f.Vec()
data_start := f.LoadParam(`data`)
@@ -1305,7 +1305,15 @@ func (s *State) index_func(f *Function, test_bytes_impl func(pos, test_ans Regis
f.CopyRegister(data_start, pos)
test_bytes := func(aligned bool) {
test_bytes_impl(pos, test_ans, aligned, "byte_found")
vec := f.Vec()
defer f.ReleaseReg(vec)
if aligned {
f.LoadPointerAligned(pos, vec)
} else {
f.LoadPointerUnaligned(pos, vec)
}
test_bytes_impl(vec, test_ans)
f.JumpIfNonZero(test_ans, "byte_found")
}
f.Comment("Load next vector of possibly unaligned bytes and check if either of the bytes are present in it")
@@ -1358,18 +1366,10 @@ func (s *State) indexbyte2_body(f *Function) {
b2 := f.Vec()
f.Set1Epi8("b1", b1)
f.Set1Epi8("b2", b2)
test_bytes := func(pos, test_ans Register, aligned bool, byte_found_label string) {
bytes_to_test := f.Vec()
defer f.ReleaseReg(bytes_to_test)
if aligned {
f.LoadPointerAligned(pos, bytes_to_test)
} else {
f.LoadPointerUnaligned(pos, bytes_to_test)
}
test_bytes := func(bytes_to_test, test_ans Register) {
f.CmpEqEpi8(bytes_to_test, b1, test_ans)
f.CmpEqEpi8(bytes_to_test, b2, bytes_to_test)
f.Or(test_ans, bytes_to_test, test_ans)
f.JumpIfNonZero(test_ans, byte_found_label)
}
s.index_func(f, test_bytes)
}
@@ -1394,23 +1394,14 @@ func (s *State) indexc0_body(f *Function) {
f.Set1Epi8(int(' '), upper)
f.Set1Epi8(0x7f, del)
test_bytes := func(pos, test_ans Register, aligned bool, byte_found_label string) {
bytes_to_test := f.Vec()
defer f.ReleaseReg(bytes_to_test)
test_bytes := func(bytes_to_test, test_ans Register) {
temp := f.Vec()
defer f.ReleaseReg(temp)
if aligned {
f.LoadPointerAligned(pos, bytes_to_test)
} else {
f.LoadPointerUnaligned(pos, bytes_to_test)
}
f.CmpEqEpi8(bytes_to_test, del, test_ans)
f.CmpLtEpi8(bytes_to_test, upper, temp)
f.CmpGtEpi8(bytes_to_test, lower, bytes_to_test)
f.And(temp, bytes_to_test, bytes_to_test)
f.Or(test_ans, bytes_to_test, test_ans)
f.JumpIfNonZero(test_ans, byte_found_label)
}
s.index_func(f, test_bytes)
}