Mesa (master): gallivm: Fix lp_build_sgn for normalized/ fixed-point integers.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Tue May 15 21:37:12 UTC 2012
Module: Mesa
Branch: master
Commit: 9fb4eef6a159fb5af97694b15a5f9b5998e9f6e5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9fb4eef6a159fb5af97694b15a5f9b5998e9f6e5
Author: José Fonseca <jose.r.fonseca at gmail.com>
Date: Tue May 15 22:36:09 2012 +0100
gallivm: Fix lp_build_sgn for normalized/fixed-point integers.
These types got broken with the recent commit that fixed lp_build_sgn
for negative integers.
---
src/gallium/auxiliary/gallivm/lp_bld_arit.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
index 3a74790..d112f1a 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
@@ -926,7 +926,8 @@ lp_build_sgn(struct lp_build_context *bld,
}
else
{
- LLVMValueRef minus_one = lp_build_const_int_vec(bld->gallivm, type, -1.0);
+ /* signed int/norm/fixed point */
+ LLVMValueRef minus_one = lp_build_const_vec(bld->gallivm, type, -1.0);
cond = lp_build_cmp(bld, PIPE_FUNC_GREATER, a, bld->zero);
res = lp_build_select(bld, cond, bld->one, minus_one);
}
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