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pan/midgard: Share mir_nontrivial_outmod

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To be used with redundant move elimination.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-07-25 15:33:56 -07:00
parent b6946d35c8
commit cb6dea6b4d
3 changed files with 17 additions and 16 deletions
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1
src/panfrost/midgard/compiler.h
View file

@ -390,6 +390,7 @@ void mir_print_block(midgard_block *block);
void mir_print_shader(compiler_context *ctx);
bool mir_nontrivial_source2_mod(midgard_instruction *ins);
bool mir_nontrivial_mod(midgard_vector_alu_src src, bool is_int, unsigned mask);
bool mir_nontrivial_outmod(midgard_instruction *ins);
/* MIR goodies */

16
src/panfrost/midgard/midgard_opt_copy_prop.c
View file

@ -25,22 +25,6 @@
#include "compiler.h"
#include "midgard_ops.h"
static bool
mir_nontrivial_outmod(midgard_instruction *ins)
{
bool is_int = midgard_is_integer_op(ins->alu.op);
unsigned mod = ins->alu.outmod;
/* Type conversion is a sort of outmod */
if (ins->alu.dest_override != midgard_dest_override_none)
return true;
if (is_int)
return mod != midgard_outmod_int_wrap;
else
return mod != midgard_outmod_none;
}
bool
midgard_opt_copy_prop(compiler_context *ctx, midgard_block *block)
{

16
src/panfrost/midgard/mir.c
View file

@ -140,6 +140,22 @@ mir_nontrivial_source2_mod(midgard_instruction *ins)
return mir_nontrivial_mod(src2, is_int, ins->mask);
}
bool
mir_nontrivial_outmod(midgard_instruction *ins)
{
bool is_int = midgard_is_integer_op(ins->alu.op);
unsigned mod = ins->alu.outmod;
/* Type conversion is a sort of outmod */
if (ins->alu.dest_override != midgard_dest_override_none)
return true;
if (is_int)
return mod != midgard_outmod_int_wrap;
else
return mod != midgard_outmod_none;
}
/* Checks if an index will be used as a special register -- basically, if we're
* used as the input to a non-ALU op */