[llvm-commits] [llvm-gcc-4.2] r50103 - /llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386.cpp

[Devang Patel]

Author: dpatel
Date: Tue Apr 22 12:54:36 2008
New Revision: 50103

URL: http://llvm.org/viewvc/llvm-project?rev=50103&view=rev
Log:
Pass { i32 } using an i32, instead of i64.
This fixes remaining test_passing_struct.c failures from gcc.target/x86-64/abi testsuite.

Modified:
    llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386.cpp

Modified: llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386.cpp?rev=50103&r1=50102&r2=50103&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/config/i386/llvm-i386.cpp Tue Apr 22 12:54:36 2008
@@ -758,7 +758,11 @@
   int NumClasses = ix86_ClassifyArgument(Mode, TreeType, Class, 0);
   if (!NumClasses)
     return false;
- 
+
+  if (NumClasses == 1 && Class[0] == X86_64_INTEGERSI_CLASS)
+    // This will fit in one i32 register.
+    return false;
+
   for (int i = 0; i < NumClasses; ++i) {
     switch (Class[i]) {
     case X86_64_INTEGER_CLASS: