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nir/lower_int64: Add a level of wrapper functions 

We're about to start lowering a few intrinsics so we need support more
than just ALU.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7329>
This commit is contained in:
Jason Ekstrand 2020-10-26 10:41:41 -05:00 committed by Marge Bot
parent 093b3f6e1f
commit 70b4524de5
1 changed files with 27 additions and 15 deletions
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42
src/compiler/nir/nir_lower_int64.c
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@ -874,10 +874,8 @@ nir_lower_int64_op_to_options_mask(nir_op opcode)
}
static nir_ssa_def *
lower_int64_alu_instr(nir_builder *b, nir_instr *instr, void *_state)
lower_int64_alu_instr(nir_builder *b, nir_alu_instr *alu)
{
nir_alu_instr *alu = nir_instr_as_alu(instr);
nir_ssa_def *src[4];
for (unsigned i = 0; i < nir_op_infos[alu->op].num_inputs; i++)
src[i] = nir_ssa_for_alu_src(b, alu, i);
@ -995,16 +993,9 @@ lower_int64_alu_instr(nir_builder *b, nir_instr *instr, void *_state)
}
static bool
should_lower_int64_alu_instr(const nir_instr *instr, const void *_data)
should_lower_int64_alu_instr(const nir_alu_instr *alu,
const nir_shader_compiler_options *options)
{
const nir_shader_compiler_options *options =
(const nir_shader_compiler_options *)_data;
if (instr->type != nir_instr_type_alu)
return false;
const nir_alu_instr *alu = nir_instr_as_alu(instr);
switch (alu->op) {
case nir_op_i2b1:
case nir_op_i2i8:
@ -1075,11 +1066,32 @@ should_lower_int64_alu_instr(const nir_instr *instr, const void *_data)
return (options->lower_int64_options & mask) != 0;
}
static bool
should_lower_int64_instr(const nir_instr *instr, const void *_options)
{
switch (instr->type) {
case nir_instr_type_alu:
return should_lower_int64_alu_instr(nir_instr_as_alu(instr), _options);
default:
return false;
}
}
static nir_ssa_def *
lower_int64_instr(nir_builder *b, nir_instr *instr, void *_options)
{
switch (instr->type) {
case nir_instr_type_alu:
return lower_int64_alu_instr(b, nir_instr_as_alu(instr));
default:
return NULL;
}
}
bool
nir_lower_int64(nir_shader *shader)
{
return nir_shader_lower_instructions(shader,
should_lower_int64_alu_instr,
lower_int64_alu_instr,
return nir_shader_lower_instructions(shader, should_lower_int64_instr,
lower_int64_instr,
(void *)shader->options);
}