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Diffstat (limited to 'arch/mips/include/asm/bitops.h')
-rw-r--r--arch/mips/include/asm/bitops.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index 9f935f6aa996..0cf29bd5dc5c 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -481,7 +481,7 @@ static inline unsigned long __fls(unsigned long word)
{
int num;
- if (BITS_PER_LONG == 32 &&
+ if (BITS_PER_LONG == 32 && !__builtin_constant_p(word) &&
__builtin_constant_p(cpu_has_clo_clz) && cpu_has_clo_clz) {
__asm__(
" .set push \n"
@@ -494,7 +494,7 @@ static inline unsigned long __fls(unsigned long word)
return 31 - num;
}
- if (BITS_PER_LONG == 64 &&
+ if (BITS_PER_LONG == 64 && !__builtin_constant_p(word) &&
__builtin_constant_p(cpu_has_mips64) && cpu_has_mips64) {
__asm__(
" .set push \n"
@@ -559,7 +559,8 @@ static inline int fls(int x)
{
int r;
- if (__builtin_constant_p(cpu_has_clo_clz) && cpu_has_clo_clz) {
+ if (!__builtin_constant_p(x) &&
+ __builtin_constant_p(cpu_has_clo_clz) && cpu_has_clo_clz) {
__asm__(
" .set push \n"
" .set "MIPS_ISA_LEVEL" \n"