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openSUSE:Leap:15.2
rust
0003-Translate-target-features-for-LLVM9.patch
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File 0003-Translate-target-features-for-LLVM9.patch of Package rust
From b57c499ea227a973fc3eb319cbe6d5019948d86c Mon Sep 17 00:00:00 2001 From: Nikita Popov <nikita.ppv@gmail.com> Date: Sun, 7 Jul 2019 17:44:00 +0200 Subject: [PATCH] Translate target features for LLVM 9 Part of: Prepare for LLVM 9 update https://github.com/rust-lang/rust/pull/62474 --- src/librustc_codegen_llvm/attributes.rs | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/src/librustc_codegen_llvm/attributes.rs b/src/librustc_codegen_llvm/attributes.rs index 94abf1796d36..33b50401b22f 100644 --- a/src/librustc_codegen_llvm/attributes.rs +++ b/src/librustc_codegen_llvm/attributes.rs @@ -119,6 +119,29 @@ pub fn set_probestack(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) { const_cstr!("probe-stack"), const_cstr!("__rust_probestack")); } +fn translate_obsolete_target_features(feature: &str) -> &str { + const LLVM9_FEATURE_CHANGES: &[(&str, &str)] = &[ + ("+fp-only-sp", "-fp64"), + ("-fp-only-sp", "+fp64"), + ("+d16", "-d32"), + ("-d16", "+d32"), + ]; + if llvm_util::get_major_version() >= 9 { + for &(old, new) in LLVM9_FEATURE_CHANGES { + if feature == old { + return new; + } + } + } else { + for &(old, new) in LLVM9_FEATURE_CHANGES { + if feature == new { + return old; + } + } + } + feature +} + pub fn llvm_target_features(sess: &Session) -> impl Iterator<Item = &str> { const RUSTC_SPECIFIC_FEATURES: &[&str] = &[ "crt-static", @@ -129,6 +152,7 @@ pub fn llvm_target_features(sess: &Session) -> impl Iterator<Item = &str> { sess.target.target.options.features.split(',') .chain(cmdline) .filter(|l| !l.is_empty()) + .map(translate_obsolete_target_features) } pub fn apply_target_cpu_attr(cx: &CodegenCx<'ll, '_>, llfn: &'ll Value) {
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