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authorJosé Fonseca <jfonseca@vmware.com>2009-10-14 17:11:08 +0100
committerJosé Fonseca <jfonseca@vmware.com>2009-10-14 17:24:22 +0100
commit68edb4eac55457796ed5c5e4f1c702af749fd543 (patch)
treebae3206678a5634dcbade16fcb9d648a4f5eb8c6 /src/gallium/include
parent5ba645f0fbcb16ac97064c3d25d5966645410a44 (diff)
gallium: New ALIGN_STACK macro to tell gcc to align stack pointer.
Diffstat (limited to 'src/gallium/include')
-rw-r--r--src/gallium/include/pipe/p_compiler.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_compiler.h b/src/gallium/include/pipe/p_compiler.h
index c13cffceb0..c36286f9be 100644
--- a/src/gallium/include/pipe/p_compiler.h
+++ b/src/gallium/include/pipe/p_compiler.h
@@ -167,11 +167,17 @@ typedef unsigned char boolean;
#define ALIGN16_ASSIGN(NAME) NAME##___aligned
#define ALIGN16_ATTRIB __attribute__(( aligned( 16 ) ))
#define ALIGN8_ATTRIB __attribute__(( aligned( 8 ) ))
+#if __GNUC__ > 4 || (__GNUC__ == 4 &&__GNUC_MINOR__>1)
+#define ALIGN_STACK __attribute__((force_align_arg_pointer))
+#else
+#define ALIGN_STACK
+#endif
#else
#define ALIGN16_DECL(TYPE, NAME, SIZE) TYPE NAME##___unaligned[SIZE + 1]
#define ALIGN16_ASSIGN(NAME) align16(NAME##___unaligned)
#define ALIGN16_ATTRIB
#define ALIGN8_ATTRIB
+#define ALIGN_STACK
#endif