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targets: change LLVM features to match vanilla Clang

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I mistakenly believed the difference was in LLVM version 11.0.0 vs LLVM
11.1.0. However, the difference is in whether we use the Debian version
of Clang.

The Debian version has had lots of patches. I'm not sure which is to
blame, but it could be this one:
https://salsa.debian.org/pkg-llvm-team/llvm-toolchain/-/blob/snapshot/debian/patches/clang-arm-default-vfp3-on-armv7a.patch
This commit is contained in:
Ayke van Laethem
2021-11-19 14:47:55 +01:00
committed by Ayke
parent f8206b9bcc
commit 34011c4800
6 changed files with 17 additions and 12 deletions
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compileopts/target.go
+1 -1
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@@ -262,7 +262,7 @@ func defaultTarget(goos, goarch, triple string) (*TargetSpec, error) {
case "armv6":
spec.Features = "+armv6,+dsp,+fp64,+strict-align,+vfp2,+vfp2sp,-thumb-mode"
case "armv7":
spec.Features = "+armv7-a,+dsp,+fp64,+vfp2,+vfp2sp,+vfp3d16,+vfp3d16sp,-thumb-mode"
spec.Features = "+armv7-a,+d32,+dsp,+fp64,+neon,+vfp2,+vfp2sp,+vfp3,+vfp3d16,+vfp3d16sp,+vfp3sp,-thumb-mode"
}
case "arm64":
spec.CPU = "generic"