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>

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 000000000000..e8e1d94b4cc9
--- /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 */