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pan/midgard: Remove custom register selection callback 

What we have is equivalent to the default callback; let's use that.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-07-16 09:16:39 -07:00
parent b5116d3cb7
commit 1cabb8a706
1 changed files with 0 additions and 19 deletions
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19
src/panfrost/midgard/midgard_ra.c
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@ -138,23 +138,6 @@ find_or_allocate_temp(compiler_context *ctx, unsigned hash)
return temp;
}
/* Callback for register allocation selection, trivial default for now */
static unsigned int
midgard_ra_select_callback(struct ra_graph *g, BITSET_WORD *regs, void *data)
{
/* Choose the first available register to minimise register pressure */
for (int i = 0; i < (16 * WORK_STRIDE); ++i) {
if (BITSET_TEST(regs, i)) {
return i;
}
}
assert(0);
return 0;
}
/* Helper to return the default phys_reg for a given register */
static struct phys_reg
@ -389,8 +372,6 @@ allocate_registers(compiler_context *ctx)
}
}
ra_set_select_reg_callback(g, midgard_ra_select_callback, NULL);
if (!ra_allocate(g)) {
unreachable("Error allocating registers\n");
}