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authorDaniel Schürmann <[email protected]>2020-01-16 16:54:35 +0100
committerMarge Bot <[email protected]>2020-01-29 18:45:23 +0000
commit71440ba0f5512fe455be66ca48b253ecc37478a9 (patch)
treeae9619e671d1e87a3bbef4d002d7bcc75b32fee5 /src/amd/compiler/aco_validate.cpp
parent8548fe19f03ecaee711ed9041be3dc05c7c22e56 (diff)
aco: reorder VMEM operands in ACO IR
For all VMEM instructions, the resource constant is now in operands[0]. For MIMG instructions, the sampler shares operands[1] with write data in case this instruction writes memory. Moving the VADDR to be the last operand for MIMG is the first step to support Navi NSA encoding. Reviewed-by: Rhys Perry <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3602>
Diffstat (limited to 'src/amd/compiler/aco_validate.cpp')
-rw-r--r--src/amd/compiler/aco_validate.cpp26
1 files changed, 20 insertions, 6 deletions
diff --git a/src/amd/compiler/aco_validate.cpp b/src/amd/compiler/aco_validate.cpp
index 8d69952c811..293ec32a330 100644
--- a/src/amd/compiler/aco_validate.cpp
+++ b/src/amd/compiler/aco_validate.cpp
@@ -99,8 +99,8 @@ void validate(Program* program, FILE * output)
bool flat = instr->format == Format::FLAT || instr->format == Format::SCRATCH || instr->format == Format::GLOBAL;
bool can_be_undef = is_phi(instr) || instr->format == Format::EXP ||
instr->format == Format::PSEUDO_REDUCTION ||
- (flat && i == 1) || (instr->format == Format::MIMG && i == 2) ||
- ((instr->format == Format::MUBUF || instr->format == Format::MTBUF) && i == 0);
+ (flat && i == 1) || (instr->format == Format::MIMG && i == 1) ||
+ ((instr->format == Format::MUBUF || instr->format == Format::MTBUF) && i == 1);
check(can_be_undef, "Undefs can only be used in certain operands", instr.get());
}
}
@@ -229,15 +229,29 @@ void validate(Program* program, FILE * output)
break;
}
case Format::MTBUF:
- case Format::MUBUF:
- case Format::MIMG: {
+ case Format::MUBUF: {
check(instr->operands.size() > 1, "VMEM instructions must have at least one operand", instr.get());
- check(instr->operands[0].hasRegClass() && instr->operands[0].regClass().type() == RegType::vgpr,
+ check(instr->operands[1].hasRegClass() && instr->operands[1].regClass().type() == RegType::vgpr,
"VADDR must be in vgpr for VMEM instructions", instr.get());
- check(instr->operands[1].isTemp() && instr->operands[1].regClass().type() == RegType::sgpr, "VMEM resource constant must be sgpr", instr.get());
+ check(instr->operands[0].isTemp() && instr->operands[0].regClass().type() == RegType::sgpr, "VMEM resource constant must be sgpr", instr.get());
check(instr->operands.size() < 4 || (instr->operands[3].isTemp() && instr->operands[3].regClass().type() == RegType::vgpr), "VMEM write data must be vgpr", instr.get());
break;
}
+ case Format::MIMG: {
+ check(instr->operands.size() == 3, "MIMG instructions must have exactly 3 operands", instr.get());
+ check(instr->operands[0].hasRegClass() && (instr->operands[0].regClass() == s4 || instr->operands[0].regClass() == s8),
+ "MIMG operands[0] (resource constant) must be in 4 or 8 SGPRs", instr.get());
+ if (instr->operands[1].hasRegClass() && instr->operands[1].regClass().type() == RegType::sgpr)
+ check(instr->operands[1].regClass() == s4, "MIMG operands[1] (sampler constant) must be 4 SGPRs", instr.get());
+ else if (instr->operands[1].hasRegClass() && instr->operands[1].regClass().type() == RegType::vgpr)
+ check(instr->definitions.empty() || instr->definitions[0].regClass() == instr->operands[1].regClass(),
+ "MIMG operands[1] (VDATA) must be the same as definitions[0] for atomics", instr.get());
+ check(instr->operands[2].hasRegClass() && instr->operands[2].regClass().type() == RegType::vgpr,
+ "MIMG operands[2] (VADDR) must be VGPR", instr.get());
+ check(instr->definitions.empty() || (instr->definitions[0].isTemp() && instr->definitions[0].regClass().type() == RegType::vgpr),
+ "MIMG definitions[0] (VDATA) must be VGPR", instr.get());
+ break;
+ }
case Format::DS: {
for (const Operand& op : instr->operands) {
check((op.isTemp() && op.regClass().type() == RegType::vgpr) || op.physReg() == m0,