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llvm-project/clang/test/Preprocessor/arm-acle-6.5.c
Silviu Baranga 632fdc5919 PR27216: Only define __ARM_FEATURE_FMA when the target has VFPv4 
Summary:
According to the ACLE spec, "__ARM_FEATURE_FMA is defined to 1 if
the hardware floating-point architecture supports fused floating-point
multiply-accumulate".

This changes clang's behaviour from emitting this macro for v7-A and v7-R
cores to only emitting it when the target has VFPv4 (and therefore support
for the floating point multiply-accumulate instruction).

Fixes PR27216

Reviewers: t.p.northover, rengolin

Subscribers: aemerson, rengolin, cfe-commits

Differential Revision: http://reviews.llvm.org/D18963

llvm-svn: 267869
2016-04-28 11:29:08 +00:00

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// RUN: %clang -target arm-eabi -mfpu=none -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FP
// RUN: %clang -target armv4-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FP
// RUN: %clang -target armv5-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FP
// RUN: %clang -target armv6m-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FP
// RUN: %clang -target armv7r-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FP
// RUN: %clang -target armv7m-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FP
// CHECK-NO-FP-NOT: __ARM_FP 0x{{.*}}
// RUN: %clang -target arm-eabi -mfpu=vfpv3xd -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-ONLY
// CHECK-SP-ONLY: __ARM_FP 0x4
// RUN: %clang -target arm-eabi -mfpu=vfpv3xd-fp16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-HP
// RUN: %clang -target arm-eabi -mfpu=fpv4-sp-d16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-HP
// RUN: %clang -target arm-eabi -mfpu=fpv5-sp-d16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-HP
// CHECK-SP-HP: __ARM_FP 0x6
// RUN: %clang -target arm-eabi -mfpu=vfp -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// RUN: %clang -target arm-eabi -mfpu=vfpv2 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// RUN: %clang -target arm-eabi -mfpu=vfpv3 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// RUN: %clang -target arm-eabi -mfpu=vfp3-d16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// RUN: %clang -target arm-eabi -mfpu=neon -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// RUN: %clang -target armv6-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// RUN: %clang -target armv7a-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// CHECK-SP-DP: __ARM_FP 0xC
// RUN: %clang -target arm-eabi -mfpu=vfpv3-fp16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=vfpv3-d16-fp16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=vfpv4 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=vfpv4-d16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=fpv5-d16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=fp-armv8 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=neon-fp16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=neon-vfpv4 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=neon-fp-armv8 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=crypto-neon-fp-armv8 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target armv8-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// CHECK-SP-DP-HP: __ARM_FP 0xE
// RUN: %clang -target armv4-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FMA
// RUN: %clang -target armv5-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FMA
// RUN: %clang -target armv6-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FMA
// RUN: %clang -target armv6m-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FMA
// RUN: %clang -target armv7m-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FMA
// CHECK-NO-FMA-NOT: __ARM_FEATURE_FMA
// RUN: %clang -target armv7a-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FMA
// RUN: %clang -target armv7a-eabi -mfpu=vfpv4 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-FMA
// RUN: %clang -target armv7r-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FMA
// RUN: %clang -target armv7r-eabi -mfpu=vfpv4 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-FMA
// RUN: %clang -target armv7em-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-FMA
// RUN: %clang -target armv8-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-FMA
// RUN: %clang -target armv8-eabi -mfpu=vfpv4 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-FMA
// CHECK-FMA: __ARM_FEATURE_FMA 1
// RUN: %clang -target armv4-eabi -mfpu=neon -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-NEON
// RUN: %clang -target armv5-eabi -mfpu=neon -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-NEON
// RUN: %clang -target armv6-eabi -mfpu=neon -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-NEON
// CHECK-NO-NEON-NOT: __ARM_NEON
// CHECK-NO-NEON-NOT: __ARM_NEON_FP 0x{{.*}}
// RUN: %clang -target armv7-eabi -mfpu=neon -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NEON-SP
// CHECK-NEON-SP: __ARM_NEON 1
// CHECK-NEON-SP: __ARM_NEON_FP 0x4
// RUN: %clang -target armv7-eabi -mfpu=neon-fp16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NEON-SP-HP
// RUN: %clang -target armv7-eabi -mfpu=neon-vfpv4 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NEON-SP-HP
// RUN: %clang -target armv7-eabi -mfpu=neon-fp-armv8 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NEON-SP-HP
// RUN: %clang -target armv7-eabi -mfpu=crypto-neon-fp-armv8 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NEON-SP-HP
// CHECK-NEON-SP-HP: __ARM_NEON 1
// CHECK-NEON-SP-HP: __ARM_NEON_FP 0x6
// RUN: %clang -target armv4-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-EXTENSIONS
// RUN: %clang -target armv5-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-EXTENSIONS
// RUN: %clang -target armv6-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-EXTENSIONS
// RUN: %clang -target armv7-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-NO-EXTENSIONS
// CHECK-NO-EXTENSIONS-NOT: __ARM_FEATURE_CRC32
// CHECK-NO-EXTENSIONS-NOT: __ARM_FEATURE_CRYPTO
// CHECK-NO-EXTENSIONS-NOT: __ARM_FEATURE_DIRECTED_ROUNDING
// CHECK-NO-EXTENSIONS-NOT: __ARM_FEATURE_NUMERIC_MAXMIN
// RUN: %clang -target armv8-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-EXTENSIONS
// CHECK-EXTENSIONS: __ARM_FEATURE_CRC32 1
// CHECK-EXTENSIONS: __ARM_FEATURE_CRYPTO 1
// CHECK-EXTENSIONS: __ARM_FEATURE_DIRECTED_ROUNDING 1
// CHECK-EXTENSIONS: __ARM_FEATURE_NUMERIC_MAXMIN 1
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