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author Vas Crabb <vas@vastheman.com>2017-11-18 23:49:37 +1100
committer Vas Crabb <vas@vastheman.com>2017-11-18 23:49:37 +1100
commit3cd03fc149dc058ee03cd7bc36dad46157b01097 (patch)
tree536436e6923d931a437fc6f3b6ff834b134e8a2f /src/osd/eigccppc.h
parent46e2a0669c7ac832a679cd8e6fb94f5b4d706f27 (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.h3
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;