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i965: Update the live interval when coalescing regs.

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This commit is contained in:
Eric Anholt 2010-10-13 22:39:06 -07:00
parent 0c6752026c
commit b8613d70da
1 changed files with 4 additions and 0 deletions
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4
src/mesa/drivers/dri/i965/brw_fs.cpp
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@ -2563,6 +2563,10 @@ fs_visitor::register_coalesce()
continue;
}
/* Update live interval so we don't have to recalculate. */
this->virtual_grf_use[inst->src[0].reg] = MAX2(virtual_grf_use[inst->src[0].reg],
virtual_grf_use[inst->dst.reg]);
/* Rewrite the later usage to point at the source of the move to
* be removed.
*/