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nvc0: do not generate a backwards jump if a loop ends with BRK

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This commit is contained in:
Christoph Bumiller
2011-02-06 13:09:24 +01:00
parent 8e240e6153
commit c485368efe
1 changed files with 4 additions and 2 deletions
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src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c
+4 -2
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@@ -1693,9 +1693,11 @@ bld_instruction(struct bld_context *bld,
{
struct nv_basic_block *bb = bld->loop_bb[bld->loop_lvl - 1];
bld_flow(bld, NV_OP_BRA, NULL, bb, FALSE);
if (bld->out_kind != CFG_EDGE_FAKE) { /* else we already had BRK/CONT */
bld_flow(bld, NV_OP_BRA, NULL, bb, FALSE);
nvc0_bblock_attach(bld->pc->current_block, bb, CFG_EDGE_BACK);
nvc0_bblock_attach(bld->pc->current_block, bb, CFG_EDGE_BACK);
}
bld_loop_end(bld, bb); /* replace loop-side operand of the phis */