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>

arch/sparc/include/asm/asm.h

+#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 */