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authorDavid Daney <ddaney@caviumnetworks.com>2010-04-28 12:16:16 -0700
committerRalf Baechle <ralf@linux-mips.org>2010-04-30 20:52:45 +0100
commit26b9e547e90db6b8b409084a9d4501124ff492b3 (patch)
tree020bfdc2f464477b032e2bc5d766a36382f7e5b4 /arch/mips/include
parentce384d83d00ee457c3931d3fdb9fa2c38e345a3c (diff)
downloadlinux-2.6.34-ux500-26b9e547e90db6b8b409084a9d4501124ff492b3.tar.gz
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/include')
-rw-r--r--arch/mips/include/asm/uasm.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 11a8b525254..697e40c0649 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;