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| author | David Daney <ddaney@caviumnetworks.com> | 2010-04-28 23:16:16 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-04-30 23:52:45 +0400 |
| commit | 26b9e547e90db6b8b409084a9d4501124ff492b3 (patch) | |
| tree | 020bfdc2f464477b032e2bc5d766a36382f7e5b4 /arch/mips | |
| parent | ce384d83d00ee457c3931d3fdb9fa2c38e345a3c (diff) | |
| download | linux-26b9e547e90db6b8b409084a9d4501124ff492b3.tar.xz | |
MIPS: Add uasm_i_dsrl_safe() and uasm_i_dsll_safe() to uasm.
This allows us to clean up the code by not having to explicitly code
checks for shift amounts greater than 32.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1153/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/uasm.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index 11a8b5252549..697e40c06497 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -167,6 +167,24 @@ static inline void __cpuinit uasm_l##lb(struct uasm_label **lab, u32 *addr) \ #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1) #define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) +static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsrl(p, a1, a2, a3); + else + uasm_i_dsrl32(p, a1, a2, a3 - 32); +} + +static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsll(p, a1, a2, a3); + else + uasm_i_dsll32(p, a1, a2, a3 - 32); +} + /* Handle relocations. */ struct uasm_reloc { u32 *addr; |