diff --git a/test/CodeGen/ARM/log2_not_readnone.ll b/test/CodeGen/ARM/log2_not_readnone.ll
index 4d567eda65d..8068abdff90 100644
--- a/test/CodeGen/ARM/log2_not_readnone.ll
+++ b/test/CodeGen/ARM/log2_not_readnone.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march arm %s -o - | FileCheck %s
+; RUN: llc -mtriple=arm-linux-gnueabi %s -o - | FileCheck %s
 
 ; Log2 and exp2 are string-matched to intrinsics. If they are not declared
 ; readnone, they can't be changed to intrinsics (because they can change errno).
diff --git a/test/CodeGen/X86/log2_not_readnone.ll b/test/CodeGen/X86/log2_not_readnone.ll
index a971b0b442f..5620835d7ba 100644
--- a/test/CodeGen/X86/log2_not_readnone.ll
+++ b/test/CodeGen/X86/log2_not_readnone.ll
@@ -1,4 +1,4 @@
-; RUN: llc -march x86 %s -o - | FileCheck %s
+; RUN: llc -mtriple=i386-linux-gnueabi %s -o - | FileCheck %s
 
 ; Log2 and exp2 are string-matched to intrinsics. If they are not declared
 ; readnone, they can't be changed to intrinsics (because they can change errno).