From f95b1fc47d949d5bc67219addcfc22dbd2e746b9 Mon Sep 17 00:00:00 2001 From: Hans Wennborg Date: Wed, 31 Jul 2019 14:20:16 +0000 Subject: Merging r366878 and r367301: ------------------------------------------------------------------------ r366878 | s.desmalen | 2019-07-24 10:42:34 +0200 (Wed, 24 Jul 2019) | 12 lines [SVE][Inline-Asm] Add support to specify SVE registers in the clobber list Adds the SVE vector and predicate registers to the list of known registers. Patch by Kerry McLaughlin. Reviewers: erichkeane, sdesmalen, rengolin Reviewed By: sdesmalen Differential Revision: https://reviews.llvm.org/D64739 ------------------------------------------------------------------------ ------------------------------------------------------------------------ r367301 | s.desmalen | 2019-07-30 12:14:39 +0200 (Tue, 30 Jul 2019) | 15 lines [AArch64] Disable __ARM_FEATURE_SVE without ACLE. The Arm C Language Extensions for SVE document specifies that __ARM_FEATURE_SVE should be set when the compiler supports SVE and implements all the extensions described in the document. This is currently not yet the case, so the feature should be disabled until the compiler can provide all the extensions as described. Reviewers: c-rhodes, rengolin, rovka, ktkachov Reviewed By: rengolin Differential Revision: https://reviews.llvm.org/D65404 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_90@367432 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Basic/Targets/AArch64.cpp | 16 +++++++++++----- test/CodeGen/aarch64-sve-inline-asm.c | 13 +++++++++++++ test/Preprocessor/aarch64-target-features.c | 2 +- 3 files changed, 25 insertions(+), 6 deletions(-) create mode 100644 test/CodeGen/aarch64-sve-inline-asm.c diff --git a/lib/Basic/Targets/AArch64.cpp b/lib/Basic/Targets/AArch64.cpp index 74ac69ab89..25f2b7b35f 100644 --- a/lib/Basic/Targets/AArch64.cpp +++ b/lib/Basic/Targets/AArch64.cpp @@ -196,9 +196,6 @@ void AArch64TargetInfo::getTargetDefines(const LangOptions &Opts, Builder.defineMacro("__ARM_NEON_FP", "0xE"); } - if (FPU & SveMode) - Builder.defineMacro("__ARM_FEATURE_SVE", "1"); - if (HasCRC) Builder.defineMacro("__ARM_FEATURE_CRC32", "1"); @@ -351,10 +348,19 @@ const char *const AArch64TargetInfo::GCCRegNames[] = { "d12", "d13", "d14", "d15", "d16", "d17", "d18", "d19", "d20", "d21", "d22", "d23", "d24", "d25", "d26", "d27", "d28", "d29", "d30", "d31", - // Vector registers + // Neon vector registers "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", "v16", "v17", "v18", "v19", "v20", "v21", "v22", - "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31" + "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", + + // SVE vector registers + "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", "z8", "z9", "z10", + "z11", "z12", "z13", "z14", "z15", "z16", "z17", "z18", "z19", "z20", "z21", + "z22", "z23", "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31", + + // SVE predicate registers + "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7", "p8", "p9", "p10", + "p11", "p12", "p13", "p14", "p15" }; ArrayRef AArch64TargetInfo::getGCCRegNames() const { diff --git a/test/CodeGen/aarch64-sve-inline-asm.c b/test/CodeGen/aarch64-sve-inline-asm.c new file mode 100644 index 0000000000..90e7777925 --- /dev/null +++ b/test/CodeGen/aarch64-sve-inline-asm.c @@ -0,0 +1,13 @@ +// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK + +void test_sve_asm() { + asm volatile( + "ptrue p0.d\n" + "ptrue p15.d\n" + "add z0.d, p0/m, z0.d, z0.d\n" + "add z31.d, p0/m, z31.d, z31.d\n" + : + : + : "z0", "z31", "p0", "p15"); + // CHECK: "~{z0},~{z31},~{p0},~{p15}" +} diff --git a/test/Preprocessor/aarch64-target-features.c b/test/Preprocessor/aarch64-target-features.c index 6964edc96f..922c0997d5 100644 --- a/test/Preprocessor/aarch64-target-features.c +++ b/test/Preprocessor/aarch64-target-features.c @@ -88,7 +88,7 @@ // RUN: %clang -target aarch64 -mtune=cyclone -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MTUNE-CYCLONE %s // RUN: %clang -target aarch64-none-linux-gnu -march=armv8-a+sve -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE %s -// CHECK-SVE: __ARM_FEATURE_SVE 1 +// CHECK-SVE-NOT: __ARM_FEATURE_SVE 1 // RUN: %clang -target aarch64-none-linux-gnu -march=armv8.2a+dotprod -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-DOTPROD %s // CHECK-DOTPROD: __ARM_FEATURE_DOTPROD 1 -- cgit v1.2.1