https://github.com/Xinmudotmoe updated
https://github.com/llvm/llvm-project/pull/68851
>From 2ef1ddfb977da35f31f1f351ac4daf0478fff166 Mon Sep 17 00:00:00 2001
From: xinmu <xi...@xinmu.moe>
Date: Thu, 12 Oct 2023 13:36:34 +0800
Subject: [PATCH 1/2] LoongArch fp16,fp128 basic support
---
clang/lib/Basic/Targets/LoongArch.h | 2 ++
clang/test/CodeGen/fp16-ops.c | 1 +
llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp | 7 +++++++
3 files changed, 10 insertions(+)
diff --git a/clang/lib/Basic/Targets/LoongArch.h
b/clang/lib/Basic/Targets/LoongArch.h
index ba7fb78ab94cd23..b25857207acdedd 100644
--- a/clang/lib/Basic/Targets/LoongArch.h
+++ b/clang/lib/Basic/Targets/LoongArch.h
@@ -40,6 +40,8 @@ class LLVM_LIBRARY_VISIBILITY LoongArchTargetInfo : public
TargetInfo {
SuitableAlign = 128;
WCharType = SignedInt;
WIntType = UnsignedInt;
+ HasFloat128 = true;
+ HasFloat16 = true;
}
bool setCPU(const std::string &Name) override {
diff --git a/clang/test/CodeGen/fp16-ops.c b/clang/test/CodeGen/fp16-ops.c
index 0626e0aaed9d0c0..e230011a59402d4 100644
--- a/clang/test/CodeGen/fp16-ops.c
+++ b/clang/test/CodeGen/fp16-ops.c
@@ -2,6 +2,7 @@
// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi %s |
FileCheck %s --check-prefix=NOTNATIVE --check-prefix=CHECK
// RUN: %clang_cc1 -emit-llvm -o - -triple aarch64-none-linux-gnueabi %s |
FileCheck %s --check-prefix=NOTNATIVE --check-prefix=CHECK
// RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-linux-gnu %s | FileCheck %s
--check-prefix=NOTNATIVE --check-prefix=CHECK
+// RUN: %clang_cc1 -emit-llvm -o - -triple loongarch64-linux-gnu %s |
FileCheck %s --check-prefix=NOTNATIVE --check-prefix=CHECK
// RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi
-fnative-half-type %s \
// RUN: | FileCheck %s --check-prefix=NATIVE-HALF
// RUN: %clang_cc1 -emit-llvm -o - -triple aarch64-none-linux-gnueabi
-fnative-half-type %s \
diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
index 7d01887f24c1597..0295389e1a92e4c 100644
--- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
+++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
@@ -214,6 +214,13 @@ LoongArchTargetLowering::LoongArchTargetLowering(const
TargetMachine &TM,
setOperationAction(ISD::FRINT, MVT::f64, Legal);
}
+ setOperationAction(ISD::FP16_TO_FP, MVT::f32, Expand);
+ setOperationAction(ISD::FP_TO_FP16, MVT::f32, Expand);
+ setTruncStoreAction(MVT::f32, MVT::f16, Expand);
+ setLoadExtAction(ISD::EXTLOAD, MVT::f32, MVT::f16, Expand);
+ setLibcallName(RTLIB::FPEXT_F16_F32, "__extendhfsf2");
+ setLibcallName(RTLIB::FPROUND_F32_F16, "__truncsfhf2");
+
// Set operations for 'LSX' feature.
if (Subtarget.hasExtLSX())
>From d198dc7d6086fdd918529d6349b33169cbf59624 Mon Sep 17 00:00:00 2001
From: xinmu <xi...@xinmu.moe>
Date: Thu, 12 Oct 2023 18:02:53 +0800
Subject: [PATCH 2/2] fix whitespaces lint
---
llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
index 0295389e1a92e4c..f03f09127866483 100644
--- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
+++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
@@ -214,8 +214,8 @@ LoongArchTargetLowering::LoongArchTargetLowering(const
TargetMachine &TM,
setOperationAction(ISD::FRINT, MVT::f64, Legal);
}
- setOperationAction(ISD::FP16_TO_FP, MVT::f32, Expand);
- setOperationAction(ISD::FP_TO_FP16, MVT::f32, Expand);
+ setOperationAction(ISD::FP16_TO_FP, MVT::f32, Expand);
+ setOperationAction(ISD::FP_TO_FP16, MVT::f32, Expand);
setTruncStoreAction(MVT::f32, MVT::f16, Expand);
setLoadExtAction(ISD::EXTLOAD, MVT::f32, MVT::f16, Expand);
setLibcallName(RTLIB::FPEXT_F16_F32, "__extendhfsf2");
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
