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[mips] Use more conservative default CPUs for MIPS on FreeBSD. 

FreeBSD defaults to mips3 for all MIPS ABIs with GCC as that is the
minimum MIPS architecture FreeBSD supports.  Use mips3 for MIPS64 and
mips2 for MIPS32 to match.

Reviewed By: atanasyan

Differential Revision: https://reviews.llvm.org/D48499

llvm-svn: 335653
This commit is contained in:
John Baldwin 2018-06-26 19:48:05 +00:00
parent fb9c440ba5
commit 2a2945a3c5
3 changed files with 33 additions and 12 deletions
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7
clang/lib/Driver/ToolChains/Arch/Mips.cpp
View File

@ -45,6 +45,13 @@ void mips::getMipsCPUAndABI(const ArgList &Args, const llvm::Triple &Triple,
if (Triple.getOS() == llvm::Triple::OpenBSD)
DefMips64CPU = "mips3";
// MIPS2 is the default for mips(el)?-unknown-freebsd.
// MIPS3 is the default for mips64(el)?-unknown-freebsd.
if (Triple.getOS() == llvm::Triple::FreeBSD) {
DefMips32CPU = "mips2";
DefMips64CPU = "mips3";
}
if (Arg *A = Args.getLastArg(clang::driver::options::OPT_march_EQ,
options::OPT_mcpu_EQ))
CPUName = A->getValue();

24
clang/test/Driver/freebsd-mips-as.c
View File

@ -3,62 +3,62 @@
// RUN: %clang -target mips-unknown-freebsd -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32-EB-AS %s
// MIPS32-EB-AS: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-EB"
// MIPS32-EB-AS: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-EB"
// MIPS32-EB-AS-NOT: "-KPIC"
//
// RUN: %clang -target mips-unknown-freebsd -### \
// RUN: -no-integrated-as -fPIC -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32-EB-PIC %s
// MIPS32-EB-PIC: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-EB"
// MIPS32-EB-PIC: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-EB"
// MIPS32-EB-PIC: "-KPIC"
//
// RUN: %clang -target mips-unknown-freebsd -### \
// RUN: -no-integrated-as -fpic -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32-EB-PIC-SMALL %s
// MIPS32-EB-PIC-SMALL: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-EB"
// MIPS32-EB-PIC-SMALL: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-EB"
// MIPS32-EB-PIC-SMALL: "-KPIC"
//
// RUN: %clang -target mips-unknown-freebsd -### \
// RUN: -no-integrated-as -fPIE -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32-EB-PIE %s
// MIPS32-EB-PIE: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-EB"
// MIPS32-EB-PIE: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-EB"
// MIPS32-EB-PIE: "-KPIC"
//
// RUN: %clang -target mips-unknown-freebsd -### \
// RUN: -no-integrated-as -fpie -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32-EB-PIE-SMALL %s
// MIPS32-EB-PIE-SMALL: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-EB"
// MIPS32-EB-PIE-SMALL: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-EB"
// MIPS32-EB-PIE-SMALL: "-KPIC"
//
// RUN: %clang -target mipsel-unknown-freebsd -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32-DEF-EL-AS %s
// MIPS32-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-EL"
// MIPS32-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-EL"
//
// RUN: %clang -target mips64-unknown-freebsd -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64-EB-AS %s
// MIPS64-EB-AS: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-EB"
// MIPS64-EB-AS: as{{(.exe)?}}" "-march" "mips3" "-mabi" "64" "-EB"
//
// RUN: %clang -target mips64el-unknown-freebsd -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64-DEF-EL-AS %s
// MIPS64-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-EL"
// MIPS64-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips3" "-mabi" "64" "-EL"
//
// RUN: %clang -target mips64-unknown-freebsd -mabi=n32 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS-N32 %s
// MIPS-N32: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "n32" "-EB"
// MIPS-N32: as{{(.exe)?}}" "-march" "mips3" "-mabi" "n32" "-EB"
//
// RUN: %clang -target mipsel-unknown-freebsd -mabi=32 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32-EL-AS %s
// MIPS32-EL-AS: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-EL"
// MIPS32-EL-AS: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-EL"
//
// RUN: %clang -target mips64el-unknown-freebsd -mabi=64 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS64-EL-AS %s
// MIPS64-EL-AS: as{{(.exe)?}}" "-march" "mips64r2" "-mabi" "64" "-EL"
// MIPS64-EL-AS: as{{(.exe)?}}" "-march" "mips3" "-mabi" "64" "-EL"
//
// RUN: %clang -target mips-linux-freebsd -march=mips32r2 -### \
// RUN: -no-integrated-as -c %s 2>&1 \
@ -88,5 +88,5 @@
// RUN: %clang -target mips-unknown-freebsd -### \
// RUN: -no-integrated-as -G0 -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=MIPS32-EB-AS-G0 %s
// MIPS32-EB-AS-G0: as{{(.exe)?}}" "-march" "mips32r2" "-mabi" "32" "-EB" "-G0"
// MIPS32-EB-AS-G0: as{{(.exe)?}}" "-march" "mips2" "-mabi" "32" "-EB" "-G0"
// MIPS32-EB-AS-G0-NOT: "-KPIC"

14
clang/test/Driver/freebsd.c
View File

@ -148,3 +148,17 @@
// RUN: %clang -target mips-unknown-freebsd %s -### -G0 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-MIPS-G %s
// CHECK-MIPS-G: ld{{.*}}" "-G0"
// Check CPU type for MIPS
// RUN: %clang -target mips-unknown-freebsd -### -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHECK-MIPS-CPU %s
// RUN: %clang -target mipsel-unknown-freebsd -### -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHECK-MIPS-CPU %s
// CHECK-MIPS-CPU: "-target-cpu" "mips2"
// Check CPU type for MIPS64
// RUN: %clang -target mips64-unknown-freebsd -### -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHECK-MIPS64-CPU %s
// RUN: %clang -target mips64el-unknown-freebsd -### -c %s 2>&1 \
// RUN: | FileCheck -check-prefix=CHECK-MIPS64-CPU %s
// CHECK-MIPS64-CPU: "-target-cpu" "mips3"