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nir/opt_uniform_atomics: optimize image atomics

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fossil-db (Navi):
Totals from 65 (0.05% of 135946) affected shaders:
SGPRs: 3792 -> 3784 (-0.21%)
VGPRs: 2784 -> 2716 (-2.44%)
CodeSize: 707492 -> 713080 (+0.79%)
MaxWaves: 873 -> 887 (+1.60%)
Instrs: 133376 -> 134524 (+0.86%)
Cycles: 3004772 -> 3011440 (+0.22%)

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6558>
This commit is contained in:
Rhys Perry 2020-09-01 17:40:32 +01:00 • committed by Marge Bot
parent bcf7a70008
commit bc43650522
1 changed files with 12 additions and 3 deletions
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15
src/compiler/nir/nir_opt_uniform_atomics.c
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@ -43,7 +43,7 @@ static nir_op
parse_atomic_op(nir_intrinsic_op op, unsigned *offset_src, unsigned *data_src)
{
switch (op) {
#define OP(intrin, alu) \
#define OP_NOIMG(intrin, alu) \
case nir_intrinsic_ssbo_atomic_##intrin: \
*offset_src = 1; \
*data_src = 2; \
@ -56,6 +56,14 @@ parse_atomic_op(nir_intrinsic_op op, unsigned *offset_src, unsigned *data_src)
return nir_op_##alu; \
return nir_op_##alu; \
return nir_op_##alu;
#define OP(intrin, alu) \
OP_NOIMG(intrin, alu) \
case nir_intrinsic_image_deref_atomic_##intrin: \
case nir_intrinsic_image_atomic_##intrin: \
case nir_intrinsic_bindless_image_atomic_##intrin: \
*offset_src = 1; \
*data_src = 3; \
return nir_op_##alu;
OP(add, iadd)
OP(imin, imin)
OP(umin, umin)
@ -65,8 +73,9 @@ parse_atomic_op(nir_intrinsic_op op, unsigned *offset_src, unsigned *data_src)
OP(or, ior)
OP(xor, ixor)
OP(fadd, fadd)
OP(fmin, fmin)
OP(fmax, fmax)
OP_NOIMG(fmin, fmin)
OP_NOIMG(fmax, fmax)
#undef OP_NOIMG
#undef OP
default:
return nir_num_opcodes;