[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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@335653 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/ToolChains/Arch/Mips.cpp b/lib/Driver/ToolChains/Arch/Mips.cpp
index 85aef3295bf15918768b1f47c9da09431f6834c3..5aeb9288e7a15de3fb1ff6c38b8a03fe8a7329e9 100644 (file)
--- a/lib/Driver/ToolChains/Arch/Mips.cpp
+++ b/lib/Driver/ToolChains/Arch/Mips.cpp
@@ -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();

diff --git a/test/Driver/freebsd-mips-as.c b/test/Driver/freebsd-mips-as.c
index af02c38693da2025abf76ec6c7490fc285b8061d..a053c2180e52ca4a1c5ce14d0bdcedd8d182a330 100644 (file)
--- a/test/Driver/freebsd-mips-as.c
+++ b/test/Driver/freebsd-mips-as.c
@@ -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"

diff --git a/test/Driver/freebsd.c b/test/Driver/freebsd.c
index ac663ffacc74497a3c2a74bdb13236fd752a0240..b6493823bcae2bb886e86ec7aa1915d3de8df0f3 100644 (file)
--- a/test/Driver/freebsd.c
+++ b/test/Driver/freebsd.c
@@ -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"