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compiler: use the LLVM builtins everywhere

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This gives some more optimization opportunities to LLVM, because it
understands these intrinsics. For example, it might convert
llvm.sqrt.f64 to llvm.sqrt.f32 if possible.
This commit is contained in:
Ayke van Laethem
2022-08-27 18:41:17 +02:00
committed by Ron Evans
parent ef912a132d
commit b8a6a1f62b
8 changed files with 387 additions and 248 deletions
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builder/library.go
+5 -1
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@@ -156,7 +156,11 @@ func (l *Library) load(config *compileopts.Config, tmpdir string) (job *compileJ
}
}
if strings.HasPrefix(target, "arm") || strings.HasPrefix(target, "thumb") {
args = append(args, "-fshort-enums", "-fomit-frame-pointer", "-mfloat-abi=soft", "-fno-unwind-tables", "-fno-asynchronous-unwind-tables")
if strings.Split(target, "-")[2] == "linux" {
args = append(args, "-fno-unwind-tables", "-fno-asynchronous-unwind-tables")
} else {
args = append(args, "-fshort-enums", "-fomit-frame-pointer", "-mfloat-abi=soft", "-fno-unwind-tables", "-fno-asynchronous-unwind-tables")
}
}
if strings.HasPrefix(target, "avr") {
// AVR defaults to C float and double both being 32-bit. This deviates