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| author | Mark Brown <broonie@linaro.org> | 2013-07-22 11:16:31 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-07-22 11:16:31 +0100 |
| commit | c04ee7fcbfba1471af90cf6407370efc779c1243 (patch) | |
| tree | c0c37c40beb8bd197b7f424a67f12487960c4882 /arch/parisc/include/asm/special_insns.h | |
| parent | e0749524b57019f480ad6c581431589d053e0cb0 (diff) | |
| parent | 0f4a56e16d5fc9028b62ba529177a3109513e111 (diff) | |
Merge tag 'v3.10.2' into linux-linaro-lsklsk
This is the 3.10.2 stable release
Diffstat (limited to 'arch/parisc/include/asm/special_insns.h')
| -rw-r--r-- | arch/parisc/include/asm/special_insns.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/parisc/include/asm/special_insns.h b/arch/parisc/include/asm/special_insns.h index d306b75bc77..e1509308899 100644 --- a/arch/parisc/include/asm/special_insns.h +++ b/arch/parisc/include/asm/special_insns.h @@ -32,9 +32,12 @@ static inline void set_eiem(unsigned long val) cr; \ }) -#define mtsp(gr, cr) \ - __asm__ __volatile__("mtsp %0,%1" \ +#define mtsp(val, cr) \ + { if (__builtin_constant_p(val) && ((val) == 0)) \ + __asm__ __volatile__("mtsp %%r0,%0" : : "i" (cr) : "memory"); \ + else \ + __asm__ __volatile__("mtsp %0,%1" \ : /* no outputs */ \ - : "r" (gr), "i" (cr) : "memory") + : "r" (val), "i" (cr) : "memory"); } #endif /* __PARISC_SPECIAL_INSNS_H */ |