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aco: initialize scratch base registers on GFX9-GFX10.3

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fossil-db (navi21):
Totals from 1142 (0.70% of 162293) affected shaders:
Instrs: 271636 -> 271974 (+0.12%)
CodeSize: 1532020 -> 1533792 (+0.12%)
Latency: 7484066 -> 7485698 (+0.02%)
InvThroughput: 4048824 -> 4049579 (+0.02%)
SClause: 4171 -> 4212 (+0.98%)
PreSGPRs: 11203 -> 12276 (+9.58%)

fossil-db (vega10):
Totals from 3327 (2.06% of 161355) affected shaders:
Instrs: 257413 -> 257601 (+0.07%)
CodeSize: 1424244 -> 1425372 (+0.08%)
Latency: 8598402 -> 8600466 (+0.02%)
InvThroughput: 7906335 -> 7908234 (+0.02%)
SClause: 4932 -> 4973 (+0.83%)
PreSGPRs: 22010 -> 25405 (+15.42%)

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/17079>
This commit is contained in:
Rhys Perry
2022-05-19 14:12:08 +01:00
committed by Marge Bot
parent 97e9e42e0d
commit d2d94b62f2
9 changed files with 72 additions and 10 deletions
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3
src/amd/compiler/aco_ir.cpp
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@@ -592,7 +592,8 @@ needs_exec_mask(const Instruction* instr)
case aco_opcode::p_end_linear_vgpr:
case aco_opcode::p_logical_start:
case aco_opcode::p_logical_end:
case aco_opcode::p_startpgm: return instr->reads_exec();
case aco_opcode::p_startpgm:
case aco_opcode::p_init_scratch: return instr->reads_exec();
default: break;
}
}