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i965: Fix ENDLOOP to only patch up this loop's BREAK and CONT.

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Corresponds to d225a25e21a24508aea3b877c78beb35502e942d and fixes
piglit glsl-fs-loop-nested.  Bug #25173.
(cherry picked from commit a81836ee2f)
This commit is contained in:
Eric Anholt 2010-03-09 14:22:51 -08:00
parent 42e0e86866
commit a29c7948d9
1 changed files with 4 additions and 2 deletions
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6
src/mesa/drivers/dri/i965/brw_wm_glsl.c
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@ -2015,11 +2015,13 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
/* patch all the BREAK/CONT instructions from last BGNLOOP */
while (inst0 > loop_inst[loop_depth]) {
inst0--;
if (inst0->header.opcode == BRW_OPCODE_BREAK) {
if (inst0->header.opcode == BRW_OPCODE_BREAK &&
inst0->bits3.if_else.jump_count == 0) {
inst0->bits3.if_else.jump_count = br * (inst1 - inst0 + 1);
inst0->bits3.if_else.pop_count = 0;
}
else if (inst0->header.opcode == BRW_OPCODE_CONTINUE) {
else if (inst0->header.opcode == BRW_OPCODE_CONTINUE &&
inst0->bits3.if_else.jump_count == 0) {
inst0->bits3.if_else.jump_count = br * (inst1 - inst0);
inst0->bits3.if_else.pop_count = 0;
}