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nir/search: Use nir_op_infos to determine if an operation is commutative

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Prior to this commit, we had a big switch statement for this.  Now it's
baked into the opcode metadata so we can just use that.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
This commit is contained in:
Jason Ekstrand
2014-12-16 12:26:38 -08:00
parent 46f3e1ab50
commit e2a8f9e5cc
1 changed files with 2 additions and 33 deletions
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35
src/glsl/nir/nir_search.c
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@@ -32,38 +32,6 @@ struct match_state {
nir_alu_src variables[NIR_SEARCH_MAX_VARIABLES];
};
static bool
is_commutative_binop(nir_op op)
{
switch (op) {
case nir_op_fadd:
case nir_op_iadd:
case nir_op_fmul:
case nir_op_imul:
case nir_op_imul_high:
case nir_op_umul_high:
case nir_op_feq:
case nir_op_fne:
case nir_op_ieq:
case nir_op_ine:
case nir_op_fand:
case nir_op_for:
case nir_op_fxor:
case nir_op_iand:
case nir_op_ior:
case nir_op_ixor:
case nir_op_fmin:
case nir_op_fmax:
case nir_op_imin:
case nir_op_imax:
case nir_op_umin:
case nir_op_umax:
return true;
default:
return false;
}
}
static bool
match_expression(const nir_search_expression *expr, nir_alu_instr *instr,
unsigned num_components, const uint8_t *swizzle,
@@ -207,7 +175,8 @@ match_expression(const nir_search_expression *expr, nir_alu_instr *instr,
if (matched)
return true;
if (is_commutative_binop(instr->op)) {
if (nir_op_infos[instr->op].num_inputs == 2 &&
(nir_op_infos[instr->op].algebraic_properties & NIR_OP_IS_COMMUTATIVE)) {
if (!match_value(expr->srcs[0], instr, 1, num_components,
swizzle, state))
return false;