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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>
This commit is contained in:
David S. Miller 2008-12-09 00:50:13 -08:00
parent 8bf68e4d90
commit 5c03d59091
1 changed files with 40 additions and 0 deletions
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40
arch/sparc/include/asm/asm.h Normal file
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#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 */