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Default to armv7 cpu for NaCl when march=arm

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Summary:
When the arch is given as "arm" clang uses the default target CPU from
LLVM to determine what the real arch should be (i.e. "arm" becomes
"armv4t" because LLVM's getARMCPUForArch falls back to "arm7tdmi").
Default to "cortex-a8" so that we end up with "armv7" in clang.

the nacl-direct.c test in clang also covers this case.

Differential Revision: http://reviews.llvm.org/D8589

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233321 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Derek Schuff 2015-03-26 21:58:46 +00:00
parent 9d2f0da138
commit 337bd191d2
2 changed files with 6 additions and 0 deletions
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2
lib/Support/Triple.cpp
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@ -1137,6 +1137,8 @@ const char *Triple::getARMCPUForArch(StringRef MArch) const {
default: default:
return "strongarm"; return "strongarm";
} }
case llvm::Triple::NaCl:
return "cortex-a8";
default: default:
switch (getEnvironment()) { switch (getEnvironment()) {
case llvm::Triple::EABIHF: case llvm::Triple::EABIHF:

4
unittests/ADT/TripleTest.cpp
View File

@ -669,6 +669,10 @@ TEST(TripleTest, getARMCPUForArch) {
EXPECT_STREQ("cortex-a8", Triple.getARMCPUForArch()); EXPECT_STREQ("cortex-a8", Triple.getARMCPUForArch());
EXPECT_STREQ("swift", Triple.getARMCPUForArch("armv7s")); EXPECT_STREQ("swift", Triple.getARMCPUForArch("armv7s"));
} }
{
llvm::Triple Triple("arm--nacl");
EXPECT_STREQ("cortex-a8", Triple.getARMCPUForArch("arm"));
}
} }
} }