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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" 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() pos := f.Reg()
test_ans := f.Vec() test_ans := f.Vec()
data_start := f.LoadParam(`data`) 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) f.CopyRegister(data_start, pos)
test_bytes := func(aligned bool) { 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") 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() b2 := f.Vec()
f.Set1Epi8("b1", b1) f.Set1Epi8("b1", b1)
f.Set1Epi8("b2", b2) f.Set1Epi8("b2", b2)
test_bytes := func(pos, test_ans Register, aligned bool, byte_found_label string) { test_bytes := func(bytes_to_test, test_ans Register) {
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)
}
f.CmpEqEpi8(bytes_to_test, b1, test_ans) f.CmpEqEpi8(bytes_to_test, b1, test_ans)
f.CmpEqEpi8(bytes_to_test, b2, bytes_to_test) f.CmpEqEpi8(bytes_to_test, b2, bytes_to_test)
f.Or(test_ans, bytes_to_test, test_ans) f.Or(test_ans, bytes_to_test, test_ans)
f.JumpIfNonZero(test_ans, byte_found_label)
} }
s.index_func(f, test_bytes) s.index_func(f, test_bytes)
} }
@@ -1394,23 +1394,14 @@ func (s *State) indexc0_body(f *Function) {
f.Set1Epi8(int(' '), upper) f.Set1Epi8(int(' '), upper)
f.Set1Epi8(0x7f, del) f.Set1Epi8(0x7f, del)
test_bytes := func(pos, test_ans Register, aligned bool, byte_found_label string) { test_bytes := func(bytes_to_test, test_ans Register) {
bytes_to_test := f.Vec()
defer f.ReleaseReg(bytes_to_test)
temp := f.Vec() temp := f.Vec()
defer f.ReleaseReg(temp) 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.CmpEqEpi8(bytes_to_test, del, test_ans)
f.CmpLtEpi8(bytes_to_test, upper, temp) f.CmpLtEpi8(bytes_to_test, upper, temp)
f.CmpGtEpi8(bytes_to_test, lower, bytes_to_test) f.CmpGtEpi8(bytes_to_test, lower, bytes_to_test)
f.And(temp, bytes_to_test, bytes_to_test) f.And(temp, bytes_to_test, bytes_to_test)
f.Or(test_ans, bytes_to_test, test_ans) f.Or(test_ans, bytes_to_test, test_ans)
f.JumpIfNonZero(test_ans, byte_found_label)
} }
s.index_func(f, test_bytes) s.index_func(f, test_bytes)
} }