Mesa (master): gallivm: fix bug in nested conditionals

[Brian Paul]

Module: Mesa
Branch: master
Commit: 3fa3c33844b8491a204cda6ae8d67cd6ada78b3b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3fa3c33844b8491a204cda6ae8d67cd6ada78b3b

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Aug 31 19:14:18 2010 -0600

gallivm: fix bug in nested conditionals

This, plus the previous commit fix fd.o bug 29806.

---

 src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index ca8db9c..0e07f7f 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -200,8 +200,10 @@ static void lp_exec_mask_cond_push(struct lp_exec_mask *mask,
    }
    mask->cond_stack[mask->cond_stack_size++] = mask->cond_mask;
    assert(LLVMTypeOf(val) == mask->int_vec_type);
-   mask->cond_mask = val;
-
+   mask->cond_mask = LLVMBuildAnd(mask->bld->builder,
+                                  mask->cond_mask,
+                                  val,
+                                  "");
    lp_exec_mask_update(mask);
 }