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aco: simplify and fix operand/definition sizes

Browse source 
These are mainly needed for constant propagation
and subdword register allocation.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8425>
This commit is contained in:
Daniel Schürmann 2021-01-08 23:03:21 +01:00 • committed by Marge Bot
parent d495a5c183
commit 7b669ff789
1 changed files with 16 additions and 17 deletions
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33
src/amd/compiler/aco_opcodes.py
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@ -212,25 +212,24 @@ class Opcode(object):
self.operand_size = op_dtype_sizes.get(op_dtype, 32)
self.definition_size = def_dtype_sizes.get(def_dtype, self.operand_size)
# exceptions
if self.operand_size == 16 and op_dtype != 'f16':
self.operand_size = 16
# exceptions for operands:
if 'sad_' in name:
self.operand_size = 0
elif name in ['v_mad_u64_u32', 'v_mad_i64_i32']:
self.operand_size = 0
elif self.operand_size == 24:
self.operand_size = 32
elif name in ['s_sext_i32_i8', 's_sext_i32_i16', 'v_msad_u8', 'v_cvt_pk_u16_u32', 'v_cvt_pk_i16_i32']:
self.operand_size = 32
elif name in ['v_qsad_pk_u16_u8', 'v_mqsad_pk_u16_u8', 'v_mqsad_u32_u8']:
self.definition_size = 0
self.operand_size = 0
elif name in ['v_mad_u64_u32', 'v_mad_i64_i32']:
self.operand_size = 0
elif '_pk' in name or name in ['v_lerp_u8', 'v_sad_u8', 'v_sad_u16',
'v_cvt_f32_ubyte0', 'v_cvt_f32_ubyte1',
'v_cvt_f32_ubyte2', 'v_cvt_f32_ubyte3']:
self.operand_size = 32
self.definition_size = 32
elif '_pknorm_' in name:
self.definition_size = 32
elif op_dtype == 'u8' or op_dtype == 'i8':
self.operand_size = 32
elif name in ['v_cvt_f32_ubyte0', 'v_cvt_f32_ubyte1',
'v_cvt_f32_ubyte2', 'v_cvt_f32_ubyte3']:
self.operand_size = 32
# exceptions for definitions:
if 'sad_' in name:
self.definition_size = 0
elif '_pk' in name:
self.definition_size = 32
# global dictionary of opcodes