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[ARM] Add ACLE predefines: maxmin, rounding and h/w integer division

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Patch by Assad Hashmi!

llvm-svn: 217760
This commit is contained in:
James Molloy 2014-09-15 11:25:38 +00:00
parent c58c70e2f3
commit 0ffb093931
5 changed files with 29 additions and 4 deletions
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8
clang/include/clang/Basic/arm_neon.td
View File

@ -1213,7 +1213,7 @@ def FCVTAU_S64 : SInst<"vcvta_u64", "ud", "dQd">;
////////////////////////////////////////////////////////////////////////////////
// Round to Integral
let ArchGuard = "__ARM_ARCH >= 8" in {
let ArchGuard = "__ARM_ARCH >= 8 && defined(__ARM_FEATURE_DIRECTED_ROUNDING)" in {
def FRINTN_S32 : SInst<"vrndn", "dd", "fQf">;
def FRINTA_S32 : SInst<"vrnda", "dd", "fQf">;
def FRINTP_S32 : SInst<"vrndp", "dd", "fQf">;
@ -1222,7 +1222,7 @@ def FRINTX_S32 : SInst<"vrndx", "dd", "fQf">;
def FRINTZ_S32 : SInst<"vrnd", "dd", "fQf">;
}
let ArchGuard = "__ARM_ARCH >= 8 && defined(__aarch64__)" in {
let ArchGuard = "__ARM_ARCH >= 8 && defined(__aarch64__) && defined(__ARM_FEATURE_DIRECTED_ROUNDING)" in {
def FRINTN_S64 : SInst<"vrndn", "dd", "dQd">;
def FRINTA_S64 : SInst<"vrnda", "dd", "dQd">;
def FRINTP_S64 : SInst<"vrndp", "dd", "dQd">;
@ -1235,12 +1235,12 @@ def FRINTI_S64 : SInst<"vrndi", "dd", "fdQfQd">;
////////////////////////////////////////////////////////////////////////////////
// MaxNum/MinNum Floating Point
let ArchGuard = "__ARM_ARCH >= 8" in {
let ArchGuard = "__ARM_ARCH >= 8 && defined(__ARM_FEATURE_NUMERIC_MAXMIN)" in {
def FMAXNM_S32 : SInst<"vmaxnm", "ddd", "fQf">;
def FMINNM_S32 : SInst<"vminnm", "ddd", "fQf">;
}
let ArchGuard = "__ARM_ARCH >= 8 && defined(__aarch64__)" in {
let ArchGuard = "__ARM_ARCH >= 8 && defined(__aarch64__) && defined(__ARM_FEATURE_NUMERIC_MAXMIN)" in {
def FMAXNM_S64 : SInst<"vmaxnm", "ddd", "dQd">;
def FMINNM_S64 : SInst<"vminnm", "ddd", "dQd">;
}

8
clang/lib/Basic/Targets.cpp
View File

@ -3983,6 +3983,10 @@ public:
// __ARM_ARCH is defined as an integer value indicating the current ARM ISA
Builder.defineMacro("__ARM_ARCH", CPUArch.substr(0, 1));
if (CPUArch[0] >= '8') {
Builder.defineMacro("__ARM_FEATURE_NUMERIC_MAXMIN");
Builder.defineMacro("__ARM_FEATURE_DIRECTED_ROUNDING");
}
// __ARM_ARCH_ISA_ARM is defined to 1 if the core supports the ARM ISA. It
// is not defined for the M-profile.
@ -4478,6 +4482,10 @@ public:
Builder.defineMacro("__ARM_FEATURE_CLZ");
Builder.defineMacro("__ARM_FEATURE_FMA");
Builder.defineMacro("__ARM_FEATURE_DIV");
Builder.defineMacro("__ARM_FEATURE_IDIV"); // As specified in ACLE
Builder.defineMacro("__ARM_FEATURE_DIV"); // For backwards compatibility
Builder.defineMacro("__ARM_FEATURE_NUMERIC_MAXMIN");
Builder.defineMacro("__ARM_FEATURE_DIRECTED_ROUNDING");
Builder.defineMacro("__ARM_ALIGN_MAX_STACK_PWR", "4");

3
clang/test/Preprocessor/aarch64-target-features.c
View File

@ -12,8 +12,11 @@
// CHECK: __ARM_FEATURE_CLZ 1
// CHECK-NOT: __ARM_FEATURE_CRC32 1
// CHECK-NOT: __ARM_FEATURE_CRYPTO 1
// CHECK: __ARM_FEATURE_DIRECTED_ROUNDING 1
// CHECK: __ARM_FEATURE_DIV 1
// CHECK: __ARM_FEATURE_FMA 1
// CHECK: __ARM_FEATURE_IDIV 1
// CHECK: __ARM_FEATURE_NUMERIC_MAXMIN 1
// CHECK: __ARM_FEATURE_UNALIGNED 1
// CHECK: __ARM_FP 0xe
// CHECK: __ARM_FP16_FORMAT_IEEE 1

6
clang/test/Preprocessor/arm-acle-6.4.c
View File

@ -5,6 +5,8 @@
// CHECK-CORTEX-M0-NOT: __ARM_ARCH_ISA_ARM
// CHECK-CORTEX-M0: __ARM_ARCH_ISA_THUMB 1
// CHECK-CORTEX-M0: __ARM_ARCH_PROFILE 'M'
// CHECK-CORTEX-M0-NOT: __ARM_FEATURE_NUMERIC_MAXMIN
// CHECK-CORTEX-M0-NOT: __ARM_FEATURE_DIRECTED_ROUNDING
// RUN: %clang -target arm-eabi -mcpu=arm810 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-ARM810
@ -13,6 +15,8 @@
// CHECK-ARM810: __ARM_ARCH_ISA_ARM 1
// CHECK-ARM810-NOT: __ARM_ARCH_ISA_THUMB
// CHECK-ARM810-NOT: __ARM_ARCH_PROFILE
// CHECK-ARM810-NOT: __ARM_FEATURE_NUMERIC_MAXMIN
// CHECK-ARM810-NOT: __ARM_FEATURE_DIRECTED_ROUNDING
// RUN: %clang -target arm-eabi -mcpu=arm7tdmi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-ARM7TDMI
@ -29,6 +33,8 @@
// CHECK-CORTEX-A7: __ARM_ARCH_ISA_ARM 1
// CHECK-CORTEX-A7: __ARM_ARCH_ISA_THUMB 2
// CHECK-CORTEX-A7: __ARM_ARCH_PROFILE 'A'
// CHECK-CORTEX-A7-NOT: __ARM_FEATURE_NUMERIC_MAXMIN
// CHECK-CORTEX-A7-NOT: __ARM_FEATURE_DIRECTED_ROUNDING
// RUN: %clang -target arm-eabi -mcpu=cortex-r4 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-CORTEX-R4

8
clang/test/Preprocessor/arm-target-features.c
View File

@ -3,18 +3,24 @@
// CHECK: __ARM_ARCH 8
// CHECK: __ARM_ARCH_8A__ 1
// CHECK: __ARM_FEATURE_CRC32 1
// CHECK: __ARM_FEATURE_DIRECTED_ROUNDING 1
// CHECK: __ARM_FEATURE_NUMERIC_MAXMIN 1
// RUN: %clang -target armv7a-none-linux-gnu -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-V7 %s
// CHECK-V7: __ARMEL__ 1
// CHECK-V7: __ARM_ARCH 7
// CHECK-V7: __ARM_ARCH_7A__ 1
// CHECK-V7-NOT: __ARM_FEATURE_CRC32
// CHECK-V7-NOT: __ARM_FEATURE_NUMERIC_MAXMIN
// CHECK-V7-NOT: __ARM_FEATURE_DIRECTED_ROUNDING
// RUN: %clang -target armv8a -mfloat-abi=hard -x c -E -dM %s | FileCheck --check-prefix=CHECK-V8-BAREHF %s
// CHECK-V8-BAREHF: __ARMEL__ 1
// CHECK-V8-BAREHF: __ARM_ARCH 8
// CHECK-V8-BAREHF: __ARM_ARCH_8A__ 1
// CHECK-V8-BAREHF: __ARM_FEATURE_CRC32 1
// CHECK-V8-BAREHF: __ARM_FEATURE_DIRECTED_ROUNDING 1
// CHECK-V8-BAREHF: __ARM_FEATURE_NUMERIC_MAXMIN 1
// CHECK-V8-BAREHF: __ARM_NEON__ 1
// CHECK-V8-BAREHF: __VFP_FP__ 1
@ -149,6 +155,8 @@
// A5:#define __ARM_ARCH 7
// A5:#define __ARM_ARCH_7A__ 1
// A5:#define __ARM_ARCH_PROFILE 'A'
// A5-NOT: #define __ARM_FEATURE_NUMERIC_MAXMIN
// A5-NOT: #define __ARM_FEATURE_DIRECTED_ROUNDING
// Test whether predefines are as expected when targeting cortex-a7.
// RUN: %clang -target armv7 -mcpu=cortex-a7 -x c -E -dM %s -o - | FileCheck --check-prefix=A7 %s