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nv50: cannot kill branch if immediate is used

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The immediate's bits eat the condition bits.
This commit is contained in:
Christoph Bumiller 2009-12-30 21:25:13 +01:00
parent b3425bc360
commit 616ddc8dfa
1 changed files with 3 additions and 0 deletions
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3
src/gallium/drivers/nv50/nv50_program.c
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@ -453,6 +453,7 @@ static INLINE void
set_pred(struct nv50_pc *pc, unsigned pred, unsigned idx,
struct nv50_program_exec *e)
{
assert(!is_immd(e));
set_long(pc, e);
e->inst[1] &= ~((0x1f << 7) | (0x3 << 12));
e->inst[1] |= (pred << 7) | (idx << 12);
@ -2118,6 +2119,8 @@ nv50_kill_branch(struct nv50_pc *pc)
if (pc->if_insn[lvl]->next != pc->p->exec_tail)
return FALSE;
if (is_immd(pc->p->exec_tail))
return FALSE;
/* if ccode == 'true', the BRA is from an ELSE and the predicate
* reg may no longer be valid, since we currently always use $p0