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From: Marius Hillenbrand <mhillen@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-1559] IBM Z: Fix vector intrinsics vec_double and vec_floate Date: Thu, 17 Jun 2021 09:14:57 +0000 (GMT) [thread overview] Message-ID: <20210617091457.939B7385BF99@sourceware.org> (raw) https://gcc.gnu.org/g:a4fc63e0c3c6c7b895225c883137d152743be7fc commit r12-1559-ga4fc63e0c3c6c7b895225c883137d152743be7fc Author: Marius Hillenbrand <mhillen@linux.ibm.com> Date: Wed Jun 16 18:26:48 2021 +0200 IBM Z: Fix vector intrinsics vec_double and vec_floate Fix the mapping of vec_double and vec_floate to builtins. gcc/ChangeLog: PR target/100871 * config/s390/vecintrin.h (vec_doublee): Fix to use __builtin_s390_vflls. (vec_floate): Fix to use __builtin_s390_vflrd. gcc/testsuite/ChangeLog: * gcc.target/s390/zvector/vec-doublee.c: New test. * gcc.target/s390/zvector/vec-floate.c: New test. Diff: --- gcc/config/s390/vecintrin.h | 4 ++-- .../gcc.target/s390/zvector/vec-doublee.c | 22 +++++++++++++++++++++ gcc/testsuite/gcc.target/s390/zvector/vec-floate.c | 23 ++++++++++++++++++++++ 3 files changed, 47 insertions(+), 2 deletions(-) diff --git a/gcc/config/s390/vecintrin.h b/gcc/config/s390/vecintrin.h index 6bd26f8a240..9a3f7c347ac 100644 --- a/gcc/config/s390/vecintrin.h +++ b/gcc/config/s390/vecintrin.h @@ -109,8 +109,8 @@ __lcbb(const void *ptr, int bndry) #define vec_rint(X) __builtin_s390_vfi((X), 0, 0) #define vec_roundc(X) __builtin_s390_vfi((X), 4, 0) #define vec_round(X) __builtin_s390_vfi((X), 4, 4) -#define vec_doublee(X) __builtin_s390_vfll((X)) -#define vec_floate(X) __builtin_s390_vflr((X), 0, 0) +#define vec_doublee(X) __builtin_s390_vflls((X)) +#define vec_floate(X) __builtin_s390_vflrd((X), 0, 0) #define vec_load_len_r(X,L) \ (__vector unsigned char)__builtin_s390_vlrlr((L),(X)) #define vec_store_len_r(X,Y,L) \ diff --git a/gcc/testsuite/gcc.target/s390/zvector/vec-doublee.c b/gcc/testsuite/gcc.target/s390/zvector/vec-doublee.c new file mode 100644 index 00000000000..11610f225e5 --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/zvector/vec-doublee.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -march=z14 -mzarch -mzvector --save-temps" } */ +/* { dg-do run { target { s390_z14_hw } } } */ + +/* + * The vector intrinsic vec_doublee(a) converts the even-indexed + * single-precision numbers in a vector to double precision. + */ +#include <assert.h> +#include <vecintrin.h> + +int +main (void) +{ + vector float in = { 1.0, 2.0, 3.0, 4.0 }; + + vector double result = vec_doublee(in); + /* { dg-final { scan-assembler-times {\n\tvldeb} 1 } } */ + + assert(result[0] == (double)in[0]); + assert(result[1] == (double)in[2]); +} diff --git a/gcc/testsuite/gcc.target/s390/zvector/vec-floate.c b/gcc/testsuite/gcc.target/s390/zvector/vec-floate.c new file mode 100644 index 00000000000..0b9cbe3d89e --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/zvector/vec-floate.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -march=z14 -mzarch -mzvector --save-temps" } */ +/* { dg-do run { target { s390_z14_hw } } } */ + +/* + * The vector intrinsic vec_floate(a) rounds a vector of double-precision + * numbers to single-precision. The results are stored in the even-numbered + * target elements. + */ +#include <assert.h> +#include <vecintrin.h> + +int +main (void) +{ + vector double in = { 1.0, 2.0 }; + + vector float result = vec_floate(in); + /* { dg-final { scan-assembler-times {\n\tvledb} 1 } } */ + + assert(result[0] == (float)in[0]); + assert(result[2] == (float)in[1]); +}
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