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authorDavid S. Miller <davem@davemloft.net>2008-12-09 00:50:13 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-09 00:50:13 -0800
commit5c03d590910a6ccddc144b382b0ecdb122c349f3 (patch)
tree5ceb31c735376cadadf49494c18431b118e1dfab /arch/sparc/include/asm/asm.h
parent8bf68e4d90c4ad862356679ab616726eee1abf93 (diff)
sparc: Add asm/asm.h
This will contain macros that help share assembler code between the 32-bit and 64-bit platform. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/asm.h')
-rw-r--r--arch/sparc/include/asm/asm.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/asm.h b/arch/sparc/include/asm/asm.h
new file mode 100644
index 00000000000..e8e1d94b4cc
--- /dev/null
+++ b/arch/sparc/include/asm/asm.h
@@ -0,0 +1,40 @@
+#ifndef _SPARC_ASM_H
+#define _SPARC_ASM_H
+
+/* Macros to assist the sharing of assembler code between 32-bit and
+ * 64-bit sparc.
+ */
+
+#ifdef CONFIG_SPARC64
+#define BRANCH32(TYPE, PREDICT, DEST) \
+ TYPE,PREDICT %icc, DEST
+#define BRANCH32_ANNUL(TYPE, PREDICT, DEST) \
+ TYPE,a,PREDICT %icc, DEST
+#define BRANCH_REG_ZERO(PREDICT, REG, DEST) \
+ brz,PREDICT REG, DEST
+#define BRANCH_REG_ZERO_ANNUL(PREDICT, REG, DEST) \
+ brz,a,PREDICT REG, DEST
+#define BRANCH_REG_NOT_ZERO(PREDICT, REG, DEST) \
+ brnz,PREDICT REG, DEST
+#define BRANCH_REG_NOT_ZERO_ANNUL(PREDICT, REG, DEST) \
+ brnz,a,PREDICT REG, DEST
+#else
+#define BRANCH32(TYPE, PREDICT, DEST) \
+ TYPE DEST
+#define BRANCH32_ANNUL(TYPE, PREDICT, DEST) \
+ TYPE,a DEST
+#define BRANCH_REG_ZERO(PREDICT, REG, DEST) \
+ cmp REG, 0; \
+ be DEST
+#define BRANCH_REG_ZERO_ANNUL(PREDICT, REG, DEST) \
+ cmp REG, 0; \
+ be,a DEST
+#define BRANCH_REG_NOT_ZERO(PREDICT, REG, DEST) \
+ cmp REG, 0; \
+ bne DEST
+#define BRANCH_REG_NOT_ZERO_ANNUL(PREDICT, REG, DEST) \
+ cmp REG, 0; \
+ bne,a DEST
+#endif
+
+#endif /* _SPARC_ASM_H */