[PATCH] D150777: [clang][RISCV] Set HasLegalHalfType to true if zhinx is enabled
Alex Bradbury via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu May 18 07:11:05 PDT 2023
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG8e8237686346: [clang][RISCV] Set HasLegalHalfType to true if zhinx is enabled (authored by asb).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D150777/new/
https://reviews.llvm.org/D150777
Files:
clang/lib/Basic/Targets/RISCV.cpp
clang/test/CodeGen/RISCV/Float16-arith.c
Index: clang/test/CodeGen/RISCV/Float16-arith.c
===================================================================
--- clang/test/CodeGen/RISCV/Float16-arith.c
+++ clang/test/CodeGen/RISCV/Float16-arith.c
@@ -42,12 +42,9 @@
// ZHINX-SAME: () #[[ATTR0:[0-9]+]] {
// ZHINX-NEXT: entry:
// ZHINX-NEXT: [[TMP0:%.*]] = load half, ptr @y, align 2
-// ZHINX-NEXT: [[EXT:%.*]] = fpext half [[TMP0]] to float
// ZHINX-NEXT: [[TMP1:%.*]] = load half, ptr @z, align 2
-// ZHINX-NEXT: [[EXT1:%.*]] = fpext half [[TMP1]] to float
-// ZHINX-NEXT: [[ADD:%.*]] = fadd float [[EXT]], [[EXT1]]
-// ZHINX-NEXT: [[UNPROMOTION:%.*]] = fptrunc float [[ADD]] to half
-// ZHINX-NEXT: store half [[UNPROMOTION]], ptr @x, align 2
+// ZHINX-NEXT: [[ADD:%.*]] = fadd half [[TMP0]], [[TMP1]]
+// ZHINX-NEXT: store half [[ADD]], ptr @x, align 2
// ZHINX-NEXT: ret void
//
void f16_add() {
Index: clang/lib/Basic/Targets/RISCV.cpp
===================================================================
--- clang/lib/Basic/Targets/RISCV.cpp
+++ clang/lib/Basic/Targets/RISCV.cpp
@@ -320,7 +320,7 @@
if (ABI.empty())
ABI = ISAInfo->computeDefaultABI().str();
- if (ISAInfo->hasExtension("zfh"))
+ if (ISAInfo->hasExtension("zfh") || ISAInfo->hasExtension("zhinx"))
HasLegalHalfType = true;
return true;
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