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author | Vas Crabb <vas@vastheman.com> | 2017-11-18 23:49:37 +1100 |
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committer | Vas Crabb <vas@vastheman.com> | 2017-11-18 23:49:37 +1100 |
commit | 3cd03fc149dc058ee03cd7bc36dad46157b01097 (patch) | |
tree | 536436e6923d931a437fc6f3b6ff834b134e8a2f /src/osd/eigccppc.h | |
parent | 46e2a0669c7ac832a679cd8e6fb94f5b4d706f27 (diff) |
get rid of branches in cout_leading_zeros and ount_leading_ones (nw)
Diffstat (limited to 'src/osd/eigccppc.h')
-rw-r--r-- | src/osd/eigccppc.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/osd/eigccppc.h b/src/osd/eigccppc.h index 7c322299e3c..7f932eb1e88 100644 --- a/src/osd/eigccppc.h +++ b/src/osd/eigccppc.h @@ -275,10 +275,9 @@ _count_leading_ones(uint32_t value) uint32_t result; __asm__ ( - " not %[result], %[value] \n" " cntlzw %[result], %[result] \n" : [result] "=r" (result) /* result can be in any register */ - : [value] "r" (value) /* 'value' can be in any register */ + : [value] "r" (~value) /* 'value' can be in any register */ ); return result; |