slp-6.c
来自「用于进行gcc测试」· C语言 代码 · 共 123 行
C
123 行
/* { dg-require-effective-target vect_int } */#include <stdarg.h>#include <stdio.h>#include "tree-vect.h"#define N 8 intmain1 (){ int i; unsigned short out[N*8]; unsigned short in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63}; unsigned int in2[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63}; unsigned int out2[N*8]; for (i = 0; i < N; i++) { out[i*8] = in[i*8] + 5; out[i*8 + 1] = in[i*8 + 1] + 6; out[i*8 + 2] = in[i*8 + 2] + 7; out[i*8 + 3] = in[i*8 + 3] + 8; out[i*8 + 4] = in[i*8 + 4] + 9; out[i*8 + 5] = in[i*8 + 5] + 10; out[i*8 + 6] = in[i*8 + 6] + 11; out[i*8 + 7] = in[i*8 + 7] + 12; } /* check results: */ for (i = 0; i < N; i++) { if (out[i*8] != in[i*8] + 5 || out[i*8 + 1] != in[i*8 + 1] + 6 || out[i*8 + 2] != in[i*8 + 2] + 7 || out[i*8 + 3] != in[i*8 + 3] + 8 || out[i*8 + 4] != in[i*8 + 4] + 9 || out[i*8 + 5] != in[i*8 + 5] + 10 || out[i*8 + 6] != in[i*8 + 6] + 11 || out[i*8 + 7] != in[i*8 + 7] + 12) abort (); } for (i = 0; i < N*2; i++) { out[i*4] = in[i*4] + 2; out[i*4 + 1] = in[i*4 + 1] + 2; out[i*4 + 2] = in[i*4 + 2] + 1; out[i*4 + 3] = in[i*4 + 3] + 3; } /* check results: */ for (i = 0; i < N*2; i++) { if (out[i*4] != in[i*4] + 2 || out[i*4 + 1] != in[i*4 + 1] + 2 || out[i*4 + 2] != in[i*4 + 2] + 1 || out[i*4 + 3] != in[i*4 + 3] + 3) abort (); } for (i = 0; i < N/2; i++) { out2[i*16] = in2[i*16] * 2; out2[i*16 + 1] = in2[i*16 + 1] * 3; out2[i*16 + 2] = in2[i*16 + 2] * 4; out2[i*16 + 3] = in2[i*16 + 3] * 3; out2[i*16 + 4] = in2[i*16 + 4] * 2; out2[i*16 + 5] = in2[i*16 + 5] * 3; out2[i*16 + 6] = in2[i*16 + 6] * 2; out2[i*16 + 7] = in2[i*16 + 7] * 4; out2[i*16 + 8] = in2[i*16 + 8] * 2; out2[i*16 + 9] = in2[i*16 + 9] * 5; out2[i*16 + 10] = in2[i*16 + 10] * 2; out2[i*16 + 11] = in2[i*16 + 11] * 3; out2[i*16 + 12] = in2[i*16 + 12] * 4; out2[i*16 + 13] = in2[i*16 + 13] * 4; out2[i*16 + 14] = in2[i*16 + 14] * 3; out2[i*16 + 15] = in2[i*16 + 15] * 2; } /* check results: */ for (i = 0; i < N/2; i++) { if (out2[i*16] != in2[i*16] * 2 || out2[i*16 + 1] != in2[i*16 + 1] * 3 || out2[i*16 + 2] != in2[i*16 + 2] * 4 || out2[i*16 + 3] != in2[i*16 + 3] * 3 || out2[i*16 + 4] != in2[i*16 + 4] * 2 || out2[i*16 + 5] != in2[i*16 + 5] * 3 || out2[i*16 + 6] != in2[i*16 + 6] * 2 || out2[i*16 + 7] != in2[i*16 + 7] * 4 || out2[i*16 + 8] != in2[i*16 + 8] * 2 || out2[i*16 + 9] != in2[i*16 + 9] * 5 || out2[i*16 + 10] != in2[i*16 + 10] * 2 || out2[i*16 + 11] != in2[i*16 + 11] * 3 || out2[i*16 + 12] != in2[i*16 + 12] * 4 || out2[i*16 + 13] != in2[i*16 + 13] * 4 || out2[i*16 + 14] != in2[i*16 + 14] * 3 || out2[i*16 + 15] != in2[i*16 + 15] * 2) abort (); } return 0;}int main (void){ check_vect (); main1 (); return 0;}/* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" {target vect_int_mult} } } *//* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" {target { ! { vect_int_mult } } } } } *//* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect" {target vect_int_mult } } } *//* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" {target { ! { vect_int_mult } } } } } *//* { dg-final { cleanup-tree-dump "vect" } } */
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