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r600/sfn: Count only literals that are not inline to split instruction groups

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An instruction group can only support 4 distinct literals, but inline
constants count into this number, so skip them when counting.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4609>
This commit is contained in:
Gert Wollny 2020-04-12 16:52:57 +02:00 • committed by Marge Bot
parent 9c7ce4d76e
commit 50b66622f1
1 changed files with 11 additions and 1 deletions
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12
src/gallium/drivers/r600/sfn/sfn_ir_to_assembly.cpp
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@ -246,7 +246,7 @@ bool AssemblyFromShaderLegacyImpl::emit_alu(const AluInstruction& ai, ECFAluOpCo
* scheduler */
if (m_nliterals_in_group > 4) {
sfn_log << SfnLog::assembly << " Have " << m_nliterals_in_group << " inject a last op (nop)\n";
alu.op = op0_nop;
alu.op = ALU_OP0_NOP;
alu.last = 1;
int retval = r600_bytecode_add_alu(m_bc, &alu);
if (retval)
@ -1057,21 +1057,31 @@ bool AssemblyFromShaderLegacyImpl::copy_src(r600_bytecode_alu_src& src, const Va
if (v.value() == 0) {
src.sel = ALU_SRC_0;
src.chan = 0;
--m_nliterals_in_group;
return true;
}
if (v.value() == 1) {
src.sel = ALU_SRC_1_INT;
src.chan = 0;
--m_nliterals_in_group;
return true;
}
if (v.value_float() == 1.0f) {
src.sel = ALU_SRC_1;
src.chan = 0;
--m_nliterals_in_group;
return true;
}
if (v.value_float() == 0.5f) {
src.sel = ALU_SRC_0_5;
src.chan = 0;
--m_nliterals_in_group;
return true;
}
if (v.value() == 0xffffffff) {
src.sel = ALU_SRC_M_1_INT;
src.chan = 0;
--m_nliterals_in_group;
return true;
}
src.value = v.value();