commit db81c7b9c964db39bbc42749dc30316dd9f58eb8
author Simon Atanasyan <simon@atanasyan.com> Mon Oct 15 22:43:23 2018 +0000
committer Simon Atanasyan <simon@atanasyan.com> Mon Oct 15 22:43:23 2018 +0000
tree c9fba593b08f8f80346179749bcebd13840e15a0
parent 6d92ca61f918456726b67d124499cbf0595ba335

[mips] Fix handling of GNUABIN32 environment in a target triple

The `GNUABIN32` environment in a target triple implies using the N32
ABI. This patch adds support for this environment and switches on N32
ABI if necessary.

Patch by Patch by YunQiang Su.

Differential revision: https://reviews.llvm.org/D51464

llvm-svn: 344570

clang/lib/Basic/Targets/Mips.h

diff --git a/clang/lib/Basic/Targets/Mips.h b/clang/lib/Basic/Targets/Mips.h
index fd1db5a..f207809 100644
--- a/clang/lib/Basic/Targets/Mips.h
+++ b/clang/lib/Basic/Targets/Mips.h
@@ -69,7 +69,12 @@
         UseIndirectJumpHazard(false), FPMode(FPXX) {
     TheCXXABI.set(TargetCXXABI::GenericMIPS);
 
-    setABI(getTriple().isMIPS32() ? "o32" : "n64");
+    if (Triple.isMIPS32())
+      setABI("o32");
+    else if (Triple.getEnvironment() == llvm::Triple::GNUABIN32)
+      setABI("n32");
+    else
+      setABI("n64");
 
     CPU = ABI == "o32" ? "mips32r2" : "mips64r2";