Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[BugFix] Skip identity conversions for 8-bit and 16-bit types #3622

Merged
merged 2 commits into from
Jun 20, 2024
Merged

[BugFix] Skip identity conversions for 8-bit and 16-bit types #3622

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
929e960
[BugFix] Do not generate any conversion for 8-bit and 16-bit types if…
ravi688 Jun 16, 2024
0c42756
[No Functional Change] Added copyright message (as per CLA)
ravi688 Jun 19, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 11 additions & 5 deletions glslang/MachineIndependent/ParseHelper.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
// Copyright (C) 2015-2018 Google, Inc.
// Copyright (C) 2017, 2019 ARM Limited.
// Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
// Modifications Copyright (C) 2024 Ravi Prakash Singh.
//
// All rights reserved.
//
Expand Down Expand Up @@ -8540,7 +8541,8 @@ TIntermTyped* TParseContext::constructBuiltIn(const TType& type, TOperator op, T
basicOp = EOpConstructFloat16;
// 8/16-bit storage extensions don't support constructing composites of 8/16-bit types,
// so construct a 32-bit type and convert
if (!intermediate.getArithemeticFloat16Enabled()) {
// and do not generate any conversion if it is an identity conversion, i.e. float16_t(<float16_t> var)
if (!intermediate.getArithemeticFloat16Enabled() && (node->getBasicType() != EbtFloat16)) {
TType tempType(EbtFloat, EvqTemporary, type.getVectorSize());
newNode = node;
if (tempType != newNode->getType()) {
Expand All @@ -8563,7 +8565,8 @@ TIntermTyped* TParseContext::constructBuiltIn(const TType& type, TOperator op, T
basicOp = EOpConstructInt8;
// 8/16-bit storage extensions don't support constructing composites of 8/16-bit types,
// so construct a 32-bit type and convert
if (!intermediate.getArithemeticInt8Enabled()) {
// and do not generate any conversion if it is an identity conversion, i.e. int8_t(<int8_t> var)
if (!intermediate.getArithemeticInt8Enabled() && (node->getBasicType() != EbtInt8)) {
TType tempType(EbtInt, EvqTemporary, type.getVectorSize());
newNode = node;
if (tempType != newNode->getType()) {
Expand All @@ -8586,7 +8589,8 @@ TIntermTyped* TParseContext::constructBuiltIn(const TType& type, TOperator op, T
basicOp = EOpConstructUint8;
// 8/16-bit storage extensions don't support constructing composites of 8/16-bit types,
// so construct a 32-bit type and convert
if (!intermediate.getArithemeticInt8Enabled()) {
// and do not generate any conversion if it is an identity conversion, i.e. uint8_t(<uint8_t> var)
if (!intermediate.getArithemeticInt8Enabled() && (node->getBasicType() != EbtUint8)) {
TType tempType(EbtUint, EvqTemporary, type.getVectorSize());
newNode = node;
if (tempType != newNode->getType()) {
Expand All @@ -8609,7 +8613,8 @@ TIntermTyped* TParseContext::constructBuiltIn(const TType& type, TOperator op, T
basicOp = EOpConstructInt16;
// 8/16-bit storage extensions don't support constructing composites of 8/16-bit types,
// so construct a 32-bit type and convert
if (!intermediate.getArithemeticInt16Enabled()) {
// and do not generate any conversion if it is an identity conversion, i.e. int16_t(<int16_t> var)
if (!intermediate.getArithemeticInt16Enabled() && (node->getBasicType() != EbtInt16)) {
TType tempType(EbtInt, EvqTemporary, type.getVectorSize());
newNode = node;
if (tempType != newNode->getType()) {
Expand All @@ -8632,7 +8637,8 @@ TIntermTyped* TParseContext::constructBuiltIn(const TType& type, TOperator op, T
basicOp = EOpConstructUint16;
// 8/16-bit storage extensions don't support constructing composites of 8/16-bit types,
// so construct a 32-bit type and convert
if (!intermediate.getArithemeticInt16Enabled()) {
// and do not generate any conversion if it is an identity conversion, i.e. uint16_t(<uint16_t> var)
if (!intermediate.getArithemeticInt16Enabled() && (node->getBasicType() != EbtUint16)) {
TType tempType(EbtUint, EvqTemporary, type.getVectorSize());
newNode = node;
if (tempType != newNode->getType()) {
Expand Down