diff options
author | 2017-12-13 20:52:42 -0700 | |
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committer | 2017-12-13 20:52:42 -0700 | |
commit | f537428e5a40ba6dde8ca9bf0fe9ae6b1f189ac4 (patch) | |
tree | 7160ed8d2cbe2127aaaef0a21f8736403b0f8a7c /src/osd/eigccx86.h | |
parent | 0d70d798107d4e4e8fb9f230410aeb1e888d65c5 (diff) | |
parent | 6379bf581489df72694b1c42cc7436ca0f1d89b2 (diff) |
Merge branch 'master' of https://github.com/mamedev/mame
Diffstat (limited to 'src/osd/eigccx86.h')
-rw-r--r-- | src/osd/eigccx86.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/osd/eigccx86.h b/src/osd/eigccx86.h index b67b646451e..b3831d21524 100644 --- a/src/osd/eigccx86.h +++ b/src/osd/eigccx86.h @@ -474,13 +474,12 @@ _count_leading_zeros(uint32_t value) __asm__ ( " bsrl %[value], %[result] ;" " cmovzl %[bias], %[result] ;" - " xorl $31, %[result] ;" : [result] "=&r" (result) // result can be in any register : [value] "rm" (value) // 'value' can be register or memory - , [bias] "rm" (uint32_t(63)) // 'bias' can be register or memory + , [bias] "rm" (~uint32_t(0)) // 'bias' can be register or memory : "cc" // clobbers condition codes ); - return result; + return 31U - result; } @@ -497,13 +496,12 @@ _count_leading_ones(uint32_t value) __asm__ ( " bsrl %[value], %[result] ;" " cmovzl %[bias], %[result] ;" - " xorl $31, %[result] ;" : [result] "=&r" (result) // result can be in any register : [value] "rm" (~value) // 'value' can be register or memory - , [bias] "rm" (uint32_t(63)) // 'bias' can be register or memory + , [bias] "rm" (~uint32_t(0)) // 'bias' can be register or memory : "cc" // clobbers condition codes ); - return result; + return 31U - result; } #endif // MAME_OSD_EIGCCX86_H |