[PATCH] D71553: [RISCV] Add Clang frontend support for Bitmanip extension
Scott Egerton via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Dec 17 08:03:14 PST 2019
s.egerton updated this revision to Diff 234308.
s.egerton added a comment.
Add test that march 'b' flag enables __riscv_bitmanip.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D71553/new/
https://reviews.llvm.org/D71553
Files:
clang/lib/Basic/Targets/RISCV.cpp
clang/lib/Basic/Targets/RISCV.h
clang/lib/Driver/ToolChains/Arch/RISCV.cpp
clang/test/Preprocessor/riscv-target-features.c
Index: clang/test/Preprocessor/riscv-target-features.c
===================================================================
--- clang/test/Preprocessor/riscv-target-features.c
+++ clang/test/Preprocessor/riscv-target-features.c
@@ -7,6 +7,7 @@
// CHECK-NOT: __riscv_mul
// CHECK-NOT: __riscv_muldiv
// CHECK-NOT: __riscv_compressed
+// CHECK-NOT: __riscv_bitmanip
// CHECK-NOT: __riscv_flen
// CHECK-NOT: __riscv_fdiv
// CHECK-NOT: __riscv_fsqrt
@@ -48,6 +49,12 @@
// RUN: -o - | FileCheck --check-prefix=CHECK-C-EXT %s
// CHECK-C-EXT: __riscv_compressed 1
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32ib -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-B-EXT %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64ib -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-B-EXT %s
+// CHECK-B-EXT: __riscv_bitmanip 1
+
// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32ifd -mabi=ilp32 -x c -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-SOFT %s
// RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64ifd -mabi=lp64 -x c -E -dM %s \
Index: clang/lib/Driver/ToolChains/Arch/RISCV.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Arch/RISCV.cpp
+++ clang/lib/Driver/ToolChains/Arch/RISCV.cpp
@@ -331,6 +331,9 @@
case 'c':
Features.push_back("+c");
break;
+ case 'b':
+ Features.push_back("+b");
+ break;
}
}
Index: clang/lib/Basic/Targets/RISCV.h
===================================================================
--- clang/lib/Basic/Targets/RISCV.h
+++ clang/lib/Basic/Targets/RISCV.h
@@ -30,11 +30,12 @@
bool HasF;
bool HasD;
bool HasC;
+ bool HasB;
public:
RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
: TargetInfo(Triple), HasM(false), HasA(false), HasF(false),
- HasD(false), HasC(false) {
+ HasD(false), HasC(false), HasB(false) {
LongDoubleWidth = 128;
LongDoubleAlign = 128;
LongDoubleFormat = &llvm::APFloat::IEEEquad();
Index: clang/lib/Basic/Targets/RISCV.cpp
===================================================================
--- clang/lib/Basic/Targets/RISCV.cpp
+++ clang/lib/Basic/Targets/RISCV.cpp
@@ -125,6 +125,10 @@
if (HasC)
Builder.defineMacro("__riscv_compressed");
+
+ if (HasB) {
+ Builder.defineMacro("__riscv_bitmanip");
+ }
}
/// Return true if has this feature, need to sync with handleTargetFeatures.
@@ -139,6 +143,7 @@
.Case("f", HasF)
.Case("d", HasD)
.Case("c", HasC)
+ .Case("b", HasB)
.Default(false);
}
@@ -156,6 +161,8 @@
HasD = true;
else if (Feature == "+c")
HasC = true;
+ else if (Feature == "+b")
+ HasB = true;
}
return true;
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D71553.234308.patch
Type: text/x-patch
Size: 2817 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20191217/1aa5bb77/attachment-0001.bin>
More information about the cfe-commits
mailing list