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rustc: Set MIPS cpu/features in the compiler

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Currently any compilation to MIPS spits out the warning:

    'generic' is not a recognized processor for this target (ignoring processor)

Doesn't make for a great user experience! We don't encounter this in the normal
bootstrap because the cpu/feature set are set by the makefiles. Instead let's
just propagate these to the defaults for the entire target all the time (still
overridable from the command line) and prevent warnings from being emitted by
default.
This commit is contained in:
Alex Crichton 2016-01-29 23:44:46 -08:00
parent 303892ee15
commit 0316013b49
4 changed files with 14 additions and 6 deletions
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2
mk/cfg/mips-unknown-linux-gnu.mk
View file

@ -20,5 +20,5 @@ CFG_UNIXY_mips-unknown-linux-gnu := 1
CFG_LDPATH_mips-unknown-linux-gnu :=
CFG_RUN_mips-unknown-linux-gnu=
CFG_RUN_TARG_mips-unknown-linux-gnu=
RUSTC_FLAGS_mips-unknown-linux-gnu := -C target-cpu=mips32r2 -C target-feature="+mips32r2" -C soft-float
RUSTC_FLAGS_mips-unknown-linux-gnu :=
CFG_GNU_TRIPLE_mips-unknown-linux-gnu := mips-unknown-linux-gnu

2
mk/cfg/mipsel-unknown-linux-gnu.mk
View file

@ -20,5 +20,5 @@ CFG_UNIXY_mipsel-unknown-linux-gnu := 1
CFG_LDPATH_mipsel-unknown-linux-gnu :=
CFG_RUN_mipsel-unknown-linux-gnu=
CFG_RUN_TARG_mipsel-unknown-linux-gnu=
RUSTC_FLAGS_mipsel-unknown-linux-gnu := -C target-cpu=mips32 -C target-feature="+mips32"
RUSTC_FLAGS_mipsel-unknown-linux-gnu :=
CFG_GNU_TRIPLE_mipsel-unknown-linux-gnu := mipsel-unknown-linux-gnu

8
src/librustc_back/target/mips_unknown_linux_gnu.rs
View file

@ -8,7 +8,7 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use target::Target;
use target::{Target, TargetOptions};
pub fn target() -> Target {
Target {
@ -19,6 +19,10 @@ pub fn target() -> Target {
target_os: "linux".to_string(),
target_env: "gnu".to_string(),
target_vendor: "unknown".to_string(),
options: super::linux_base::opts()
options: TargetOptions {
cpu: "mips32r2".to_string(),
features: "+mips32r2,+soft-float".to_string(),
..super::linux_base::opts()
},
}
}

8
src/librustc_back/target/mipsel_unknown_linux_gnu.rs
View file

@ -8,7 +8,7 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use target::Target;
use target::{Target, TargetOptions};
pub fn target() -> Target {
Target {
@ -20,6 +20,10 @@ pub fn target() -> Target {
target_env: "gnu".to_string(),
target_vendor: "unknown".to_string(),
options: super::linux_base::opts()
options: TargetOptions {
cpu: "mips32".to_string(),
features: "+mips32".to_string(),
..super::linux_base::opts()
},
}
}