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Matt Pharr
2011-09-29 12:24:55 -07:00
parent 8f3e46f67e
commit 5ee4d7fce8
1 changed files with 3 additions and 0 deletions
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builtins.m4
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@@ -652,8 +652,11 @@ define internal <$1 x $3> @__atomic_$2_$4_global($3 * %ptr, <$1 x $3> %val,
; first, for any lanes where the mask is off, compute a vector where those lanes ; first, for any lanes where the mask is off, compute a vector where those lanes
; hold the identity value.. ; hold the identity value..
; for the bit tricks below, we need the mask to be sign extended to be
; the size of the element type.
ifelse($3, `i64', `%mask = sext <$1 x i32> %m to <$1 x i64>') ifelse($3, `i64', `%mask = sext <$1 x i32> %m to <$1 x i64>')
ifelse($3, `i32', ` ifelse($3, `i32', `
; silly workaround to do %mask = %m, which is not possible directly..
%maskmem = alloca <$1 x i32> %maskmem = alloca <$1 x i32>
store <$1 x i32> %m, <$1 x i32> * %maskmem store <$1 x i32> %m, <$1 x i32> * %maskmem
%mask = load <$1 x i32> * %maskmem' %mask = load <$1 x i32> * %maskmem'