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53 lines
2.7 KiB
53 lines
2.7 KiB
From 6e2adb05860b72610291d3b0e8bd525c44cb0cc9 Mon Sep 17 00:00:00 2001 |
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From: Josh Stone <jistone@redhat.com> |
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Date: Fri, 9 Jun 2023 15:23:08 -0700 |
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Subject: [PATCH] Let environment variables override some default CPUs |
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--- |
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compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs | 2 +- |
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compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs | 2 +- |
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compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs | 2 +- |
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3 files changed, 3 insertions(+), 3 deletions(-) |
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diff --git a/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs |
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index fd896e086b54..08d0c43d20b4 100644 |
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--- a/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs |
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+++ b/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs |
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@@ -2,7 +2,7 @@ |
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pub fn target() -> Target { |
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let mut base = super::linux_gnu_base::opts(); |
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- base.cpu = "ppc64le".into(); |
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+ base.cpu = option_env!("RUSTC_TARGET_CPU_PPC64LE").unwrap_or("ppc64le").into(); |
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base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m64"]); |
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base.max_atomic_width = Some(64); |
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base.stack_probes = StackProbeType::Inline; |
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diff --git a/compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs |
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index f2c722b9a89d..17a14d10b27e 100644 |
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--- a/compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs |
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+++ b/compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs |
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@@ -5,7 +5,7 @@ pub fn target() -> Target { |
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let mut base = super::linux_gnu_base::opts(); |
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base.endian = Endian::Big; |
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// z10 is the oldest CPU supported by LLVM |
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- base.cpu = "z10".into(); |
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+ base.cpu = option_env!("RUSTC_TARGET_CPU_S390X").unwrap_or("z10").into(); |
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// FIXME: The ABI implementation in cabi_s390x.rs is for now hard-coded to assume the no-vector |
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// ABI. Pass the -vector feature string to LLVM to respect this assumption. On LLVM < 16, we |
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// also strip v128 from the data_layout below to match the older LLVM's expectation. |
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diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs |
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index 9af1049b8702..68f876dd18c3 100644 |
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--- a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs |
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+++ b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs |
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@@ -2,7 +2,7 @@ |
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pub fn target() -> Target { |
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let mut base = super::linux_gnu_base::opts(); |
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- base.cpu = "x86-64".into(); |
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+ base.cpu = option_env!("RUSTC_TARGET_CPU_X86_64").unwrap_or("x86-64").into(); |
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base.max_atomic_width = Some(64); |
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base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m64"]); |
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base.stack_probes = StackProbeType::X86; |
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-- |
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2.40.1 |
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