Author: Kazushi (Jam) Marukawa Date: 2020-11-12T06:18:35+09:00 New Revision: 6e0ae20f3b98b7bb5a44ced22c3da42a8fe5dbc8
URL: https://github.com/llvm/llvm-project/commit/6e0ae20f3b98b7bb5a44ced22c3da42a8fe5dbc8 DIFF: https://github.com/llvm/llvm-project/commit/6e0ae20f3b98b7bb5a44ced22c3da42a8fe5dbc8.diff LOG: [VE] Support vector register in inline asm Support a vector register constraint in inline asm of clang. Add a regression test also. Reviewed By: simoll Differential Revision: https://reviews.llvm.org/D91251 Added: clang/test/CodeGen/VE/ve-inline-asm.c Modified: clang/lib/Basic/Targets/VE.h Removed: ################################################################################ diff --git a/clang/lib/Basic/Targets/VE.h b/clang/lib/Basic/Targets/VE.h index f863a0af0acb6..b8143747a38dd 100644 --- a/clang/lib/Basic/Targets/VE.h +++ b/clang/lib/Basic/Targets/VE.h @@ -160,6 +160,13 @@ class LLVM_LIBRARY_VISIBILITY VETargetInfo : public TargetInfo { bool validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &Info) const override { + switch (*Name) { + default: + return false; + case 'v': + Info.setAllowsRegister(); + return true; + } return false; } diff --git a/clang/test/CodeGen/VE/ve-inline-asm.c b/clang/test/CodeGen/VE/ve-inline-asm.c new file mode 100644 index 0000000000000..b3ee14407c9b5 --- /dev/null +++ b/clang/test/CodeGen/VE/ve-inline-asm.c @@ -0,0 +1,23 @@ +// REQUIRES: ve-registered-target +// RUN: %clang_cc1 -triple ve-linux-gnu -emit-llvm -o - %s | FileCheck %s + +void r(long v) { + long b; + asm("lea %0, 256(%1)" + : "=r"(b) + : "r"(v)); + // CHECK: %1 = call i64 asm "lea $0, 256($1)", "=r,r"(i64 %0) +} + +void v(char *ptr, char *ptr2) { + typedef double __vr __attribute__((__vector_size__(2048))); + __vr a; + asm("vld %0, 8, %1" + : "=v"(a) + : "r"(ptr)); + asm("vst %0, 8, %1" + : + : "v"(a), "r"(ptr2)); + // CHECK: %1 = call <256 x double> asm "vld $0, 8, $1", "=v,r"(i8* %0) + // CHECK: call void asm sideeffect "vst $0, 8, $1", "v,r"(<256 x double> %2, i8* %3) +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
