Viewing file:  fold-vec-splat-char.c (2.4 KB) -rw-r--r--
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/* Verify that overloaded built-ins for vec_splat with char
inputs produce the right code. */
/* { dg-do compile } */
/* { dg-require-effective-target powerpc_altivec_ok } */
/* { dg-options "-maltivec -O2" } */
#include <altivec.h>
vector bool char testb_0 (vector bool char x) { return vec_splat (x, 0b00000); }
vector bool char testb_1 (vector bool char x) { return vec_splat (x, 0b00001); }
vector bool char testb_2 (vector bool char x) { return vec_splat (x, 0b00010); }
vector bool char testb_4 (vector bool char x) { return vec_splat (x, 0b00100); }
vector bool char testb_8 (vector bool char x) { return vec_splat (x, 0b01000); }
vector signed char tests_0 (vector signed char x) { return vec_splat (x, 0b00000); }
vector signed char tests_1 (vector signed char x) { return vec_splat (x, 0b00001); }
vector signed char tests_2 (vector signed char x) { return vec_splat (x, 0b00010); }
vector signed char tests_4 (vector signed char x) { return vec_splat (x, 0b00100); }
vector signed char tests_8 (vector signed char x) { return vec_splat (x, 0b01000); }
vector unsigned char testu_0 (vector unsigned char x) { return vec_splat (x, 0b00000); }
vector unsigned char testu_1 (vector unsigned char x) { return vec_splat (x, 0b00001); }
vector unsigned char testu_2 (vector unsigned char x) { return vec_splat (x, 0b00010); }
vector unsigned char testu_4 (vector unsigned char x) { return vec_splat (x, 0b00100); }
vector unsigned char testu_8 (vector unsigned char x) { return vec_splat (x, 0b01000); }
/* Similar tests as above, but the source vector is a known constant. */
const vector bool char by = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p'};
const vector signed char sy = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p'};
const vector unsigned char uy = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p'};
vector bool char test_bc (vector bool char x) { return vec_splat (by, 0b00010); }
vector signed char test_sc (vector signed char x) { return vec_splat (sy, 0b00011); }
vector unsigned char test_uc (vector unsigned char x) { return vec_splat (uy, 0b00110); }
// vec_splat() using variable vectors should generate the vspltb instruction.
/* { dg-final { scan-assembler-times "vspltb" 15 } } */
// vec_splat() using a constant vector will generate a load or a splat immediate byte.
/* { dg-final { scan-assembler-times {\mlvx\M|\mlxvw4x\M|\mxxspltib\M} 3 } } */
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