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Merge commit 'e4fe941b11' into subtree-update_cg_gcc_2023-10-25

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Antoni Boucher 2023-10-26 17:42:02 -04:00
commit c797cccda6
47 changed files with 2659 additions and 502 deletions
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7
compiler/rustc_codegen_gcc/src/base.rs
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@ -98,10 +98,11 @@ pub fn compile_codegen_unit(tcx: TyCtxt<'_>, cgu_name: Symbol, target_info: Lock
.map(|string| &string[1..])
.collect();
// TODO(antoyo): only set on x86 platforms.
context.add_command_line_option("-masm=intel");
if tcx.sess.target.arch == "x86" || tcx.sess.target.arch == "x86_64" {
context.add_command_line_option("-masm=intel");
}
if !disabled_features.contains("avx") {
if !disabled_features.contains("avx") && tcx.sess.target.arch == "x86_64" {
// NOTE: we always enable AVX because the equivalent of llvm.x86.sse2.cmp.pd in GCC for
// SSE2 is multiple builtins, so we use the AVX __builtin_ia32_cmppd instead.
// FIXME(antoyo): use the proper builtins for llvm.x86.sse2.cmp.pd and similar.