re PR target/36399 (ABI bug on darwin/x86-32)

2010-03-11  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
	    Jack Howarth <howarth@bromo.med.uc.edu>

	PR target/36399
	* gcc/config/i386/i386.h: Fix ABI on darwin x86-32.
	* gcc/testsuite/gcc.target/i386/push-1.c: Don't xfail
	  scan-assembler-not "movups" on darwin.

Co-Authored-By: Jack Howarth <howarth@bromo.med.uc.edu>

From-SVN: r157553

gcc/ChangeLog

+2010-03-11  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+	    Jack Howarth <howarth@bromo.med.uc.edu>
+
+	PR target/36399
+	* gcc/config/i386/i386.h: Fix ABI on darwin x86-32.
+
 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
 
 	* tree.h: Declare make_decl_rtl_for_debug.

gcc/config/i386/i386.h

@@ -1810,7 +1810,7 @@ typedef struct ix86_args {
 #define X86_64_SSE_REGPARM_MAX 8
 #define X86_64_MS_SSE_REGPARM_MAX 4
 
-#define X86_32_SSE_REGPARM_MAX (TARGET_SSE ? 3 : 0)
+#define X86_32_SSE_REGPARM_MAX (TARGET_SSE ? (TARGET_MACHO ? 4 : 3) : 0)
 
 #define SSE_REGPARM_MAX							\
   (TARGET_64BIT ? (TARGET_64BIT_MS_ABI ? X86_64_MS_SSE_REGPARM_MAX	\

gcc/testsuite/ChangeLog

+2010-03-11  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+	    Jack Howarth <howarth@bromo.med.uc.edu>
+
+	PR target/36399
+	* gcc/testsuite/gcc.target/i386/push-1.c: Don't xfail
+	  scan-assembler-not "movups" on darwin.
+
 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/43058

gcc/testsuite/gcc.target/i386/push-1.c

@@ -12,4 +12,4 @@ bar (void)
   foo (x, x, x, x, 5);
 }
 
-/* { dg-final { scan-assembler-not "movups" { xfail *-*-* } } } */
+/* { dg-final { scan-assembler-not "movups" { xfail { ! *-*-darwin* } } } } */