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Implement atomicSub intrinsic

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Polyfill this for HLSL using an atomic add with the operand negated.

Fixed: tint:1130
Change-Id: Ifa32d58973f1b48593ec0f6320f47f4358a5a3a9
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/62760
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
James Price
2021-08-26 15:26:25 +00:00
committed by Tint LUCI CQ
parent a96dce9c89
commit f9d19719fd
31 changed files with 1638 additions and 947 deletions
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1
src/sem/intrinsic.cc
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@@ -91,6 +91,7 @@ bool IsAtomicIntrinsic(IntrinsicType i) {
return i == sem::IntrinsicType::kAtomicLoad ||
i == sem::IntrinsicType::kAtomicStore ||
i == sem::IntrinsicType::kAtomicAdd ||
i == sem::IntrinsicType::kAtomicSub ||
i == sem::IntrinsicType::kAtomicMax ||
i == sem::IntrinsicType::kAtomicMin ||
i == sem::IntrinsicType::kAtomicAnd ||

5
src/sem/intrinsic_type.cc
View File

@@ -303,6 +303,9 @@ IntrinsicType ParseIntrinsicType(const std::string& name) {
if (name == "atomicAdd") {
return IntrinsicType::kAtomicAdd;
}
if (name == "atomicSub") {
return IntrinsicType::kAtomicSub;
}
if (name == "atomicMax") {
return IntrinsicType::kAtomicMax;
}
@@ -513,6 +516,8 @@ const char* str(IntrinsicType i) {
return "atomicStore";
case IntrinsicType::kAtomicAdd:
return "atomicAdd";
case IntrinsicType::kAtomicSub:
return "atomicSub";
case IntrinsicType::kAtomicMax:
return "atomicMax";
case IntrinsicType::kAtomicMin:

1
src/sem/intrinsic_type.h
View File

@@ -125,6 +125,7 @@ enum class IntrinsicType {
kAtomicLoad,
kAtomicStore,
kAtomicAdd,
kAtomicSub,
kAtomicMax,
kAtomicMin,
kAtomicAnd,