This is an archive of the discontinued LLVM Phabricator instance.

Created · atan

git show -U999999
libsleefgnuabi.so
libsleef.so
-fveclib=SLEEF
-fveclib=SLEEFGNUABI
SLEEF
if
-fveclib=SLEEFGNUABI
libsleefgnuabi.so
libsleef.so
-fveclib=SLEEF
-fveclib=SLEEFGNUABI
SLEEF
if
-fveclib=SLEEFGNUABI
libsleefgnuabi.so
libsleef.so
-fveclib=SLEEF
-fveclib=SLEEFGNUABI
SLEEF
SLEEFGNUABI
libsleefgnuabi.so
-fveclib=SLEEFGNUABI
-fveclib
sincos
libsleef
libsleefgnuabi
-ffveclib=SLEEFGNUABI
-fveclib=SLEEFNONGNUABi
if
-fveclib=SLEEFGNUABI
If (AArch64) {
  List ={ {“sin”, “_ZGVn2v_sin”, 2},
             {“cos”, “_ZGVn2v_cos”, 2},
             ….
};
}
  List ={ {“sin”, “_ZGV<simdext>2v_sin”, 2},
             {“cos”, “_ZGV<simdext>2v_cos”, 2},
             ….
};
If (aarch64)
   ext_token = “n”.

Loop through (list) and replace “<simdext>” with ext_token.
-fopenmp-simd
If (AArch64) {
  List ={ {“sin”, “_ZGVn2v_sin”, 2},
             {“cos”, “_ZGVn2v_cos”, 2},
             ….
};
}
  List ={ {“sin”, “_ZGV<simdext>2v_sin”, 2},
             {“cos”, “_ZGV<simdext>2v_cos”, 2},
             ….
};
If (aarch64)
   ext_token = “n”.

Loop through (list) and replace “<simdext>” with ext_token.
_u35
_u35
// compile with "clang -fveclib=SVML ~/test.c -o - -c -S -emit-llvm [-Ofast|-O3]"
#include <math.h>

void f(double * restrict x, double * restrict y, unsigned n) {
  int i;
  for (i = 0; i < n; ++i) {
    x[i]=sin(y[i]);
  }
}
sin
cos
src
build
-fveclib=SLEEF
src
build
-fveclib=sleef
CFLAGS
-lsleef
LDFLAGS
march
mtune
TARGET=ARCH
sleef
mveclibabi
svml
acml
mveclibabi=sleefgnuabi
sleef
sleefgnuabi
fveclib
mveclibabi
sincos
# if defined _OPENMP && _OPENMP >= 201307
/* OpenMP case.  */
#  define __DECL_SIMD_x86_64 _Pragma ("omp declare simd notinbranch")
# elif __GNUC_PREREQ (6,0)
/* W/o OpenMP use GCC 6.* __attribute__ ((__simd__)).  */
#  define __DECL_SIMD_x86_64 __attribute__ ((__simd__ ("notinbranch")))
# endif

# ifdef __DECL_SIMD_x86_64
#  undef __DECL_SIMD_cos
#  define __DECL_SIMD_cos __DECL_SIMD_x86_64
...
# if defined _OPENMP && _OPENMP >= 201307
/* OpenMP case.  */
#  define __DECL_SIMD_x86_64 _Pragma ("omp declare simd notinbranch")
# elif __GNUC_PREREQ (6,0)
/* W/o OpenMP use GCC 6.* __attribute__ ((__simd__)).  */
#  define __DECL_SIMD_x86_64 __attribute__ ((__simd__ ("notinbranch")))
# endif

# ifdef __DECL_SIMD_x86_64
#  undef __DECL_SIMD_cos
#  define __DECL_SIMD_cos __DECL_SIMD_x86_64
...
#pragma
#pragma veclib declare simd
#pragma veclib declare variant
declare simd
declare variant
declare variant
simd
#pragma
#pragma veclib declare simd
#pragma veclib declare variant
declare simd
declare variant
declare variant
simd
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>

int main()
{
  double D;
  double R;

  srand48(time(0));

  D = drand48();
  R = tgamma(D);
  (void) fprintf(stderr, "tgamma: D=%lf R=%lf\n", D, R);

  D = drand48();
  R = acos(D);
  (void) fprintf(stderr, "acos: D=%lf R=%lf\n", D, R);

  D = drand48();
  R = acosh(D);
  (void) fprintf(stderr, "acosh: D=%lf R=%lf\n", D, R);

  D = drand48();
  R = asin(D);
  (void) fprintf(stderr, "asin: D=%lf R=%lf\n", D, R);

  return 0;
}
./clang -O3 -mcpu=thunderx2t99 -fvectorize -fveclib=SLEEF -ffast-math -ffp-contract=fast -c t.c -o t.o
fatal error: error in backend: Cannot select: intrinsic %llvm.asin
clang-8: error: clang frontend command failed with exit code 70 (use -v to see invocation)
[ ... etc etc ... ]
%call = call fast float @acosf(float %conv)
__gamma_r_finite
__isoc99_scanf
tgamma
__gamma_r_finite
__tgamma_r_finite
tgamma
__gamma_r_finite
__tgamma_r_finite
%call = call fast <type> <function-name>(<argument>)
%call = tail call <type> <function-name>(<argument>)
/// char * __strtok_r(char *s, const char *delim, char **save_ptr);
TLI_DEFINE_ENUM_INTERNAL(dunder_strtok_r)
TLI_DEFINE_STRING_INTERNAL("__strtok_r")
/// int abs(int j);
TLI_DEFINE_ENUM_INTERNAL(abs)
TLI_DEFINE_STRING_INTERNAL("abs")
/// int access(const char *path, int amode);
TLI_DEFINE_ENUM_INTERNAL(access)
TLI_DEFINE_STRING_INTERNAL("access")
/// char * __strtok_r(char *s, const char *delim, char **save_ptr);
TLI_DEFINE_ENUM_INTERNAL(dunder_strtok_r)
TLI_DEFINE_STRING_INTERNAL("__strtok_r")
/// int abs(int j);
TLI_DEFINE_ENUM_INTERNAL(abs)
TLI_DEFINE_STRING_INTERNAL("abs")
/// int access(const char *path, int amode);
TLI_DEFINE_ENUM_INTERNAL(access)
TLI_DEFINE_STRING_INTERNAL("access")
lib/Analysis/TargetLibraryInfo.cpp
static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
                       ArrayRef<StringRef> StandardNames) {
  // Verify that the StandardNames array is in alphabetical order.
  assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
                        [](StringRef LHS, StringRef RHS) {
                          return LHS < RHS;
                        }) &&
         "TargetLibraryInfoImpl function names must be sorted");
_
a
/// char * __strtok_r(char *s, const char *delim, char **save_ptr);
TLI_DEFINE_ENUM_INTERNAL(dunder_strtok_r)
TLI_DEFINE_STRING_INTERNAL("__strtok_r")
/// int abs(int j);
TLI_DEFINE_ENUM_INTERNAL(abs)
TLI_DEFINE_STRING_INTERNAL("abs")
/// int access(const char *path, int amode);
TLI_DEFINE_ENUM_INTERNAL(access)
TLI_DEFINE_STRING_INTERNAL("access")
lib/Analysis/TargetLibraryInfo.cpp
static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
                       ArrayRef<StringRef> StandardNames) {
  // Verify that the StandardNames array is in alphabetical order.
  assert(std::is_sorted(StandardNames.begin(), StandardNames.end(),
                        [](StringRef LHS, StringRef RHS) {
                          return LHS < RHS;
                        }) &&
         "TargetLibraryInfoImpl function names must be sorted");
_
a
%call = call fast <type> <function-name>(<argument>)
%call = tail call <type> <function-name>(<argument>)

This is an archive of the discontinued LLVM Phabricator instance.

[AArch64] Enable libm vectorized functions via SLEEF
AcceptedPublic

Details

Diff Detail

Event Timeline

Revision Contents

Diff 172637

include/llvm/Analysis/TargetLibraryInfo.h

include/llvm/IR/Intrinsics.td

lib/Analysis/TargetLibraryInfo.cpp

test/Transforms/LoopVectorize/AArch64/sleef-calls-aarch64.ll

This is an archive of the discontinued LLVM Phabricator instance.

[AArch64] Enable libm vectorized functions via SLEEFAcceptedPublic

Details

Diff Detail

Event Timeline

Revision Contents

Diff 172637

include/llvm/Analysis/TargetLibraryInfo.h

include/llvm/IR/Intrinsics.td

lib/Analysis/TargetLibraryInfo.cpp

test/Transforms/LoopVectorize/AArch64/sleef-calls-aarch64.ll

[AArch64] Enable libm vectorized functions via SLEEF
AcceptedPublic