summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/compiler.h
diff options
context:
space:
mode:
authorJohn W. Linville <linville@tuxdriver.com>2012-04-12 13:49:28 -0400
committerJohn W. Linville <linville@tuxdriver.com>2012-04-12 13:49:28 -0400
commit8065248069097dddf9945acfb2081025e9618c16 (patch)
treeeddf3fb0372ba0f65c01382d386942ea8d18932d /arch/arm/include/asm/compiler.h
parente66a8ddff72e85605f2212a0ebc666c7e9116641 (diff)
parentb4838d12e1f3cb48c2489a0b08733b5dbf848297 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'arch/arm/include/asm/compiler.h')
-rw-r--r--arch/arm/include/asm/compiler.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/compiler.h b/arch/arm/include/asm/compiler.h
new file mode 100644
index 00000000000..8155db2f7fa
--- /dev/null
+++ b/arch/arm/include/asm/compiler.h
@@ -0,0 +1,15 @@
+#ifndef __ASM_ARM_COMPILER_H
+#define __ASM_ARM_COMPILER_H
+
+/*
+ * This is used to ensure the compiler did actually allocate the register we
+ * asked it for some inline assembly sequences. Apparently we can't trust
+ * the compiler from one version to another so a bit of paranoia won't hurt.
+ * This string is meant to be concatenated with the inline asm string and
+ * will cause compilation to stop on mismatch.
+ * (for details, see gcc PR 15089)
+ */
+#define __asmeq(x, y) ".ifnc " x "," y " ; .err ; .endif\n\t"
+
+
+#endif /* __ASM_ARM_COMPILER_H */