pr36224.c
来自「用于进行gcc测试」· C语言 代码 · 共 250 行
C
250 行
/* { dg-do run } *//* { dg-require-effective-target lp64 } *//* { dg-options "-O2 -ftree-vectorize" } */#ifndef ALIGN16#define ALIGN16 __attribute__((__aligned__(32)))#endif#define I16_B0 1#define I16_B1 23#define I16_B2 345#define I16_B3 6789#define I16_B4 1011#define I16_B5 -12#define I16_B6 1314#define I16_B7 -1516#define I16_B8 -1516#define I16_B9 1314#define I16_B10 -12#define I16_B11 1011#define I16_B12 6789#define I16_B13 345#define I16_B14 23#define I16_B15 1#define I16_C0 2#define I16_C1 31567#define I16_C2 1112#define I16_C3 13#define I16_C4 14#define I16_C5 15#define I16_C6 -16#define I16_C7 17#define I16_C8 2#define I16_C9 31567#define I16_C10 1112#define I16_C11 13#define I16_C12 14#define I16_C13 15#define I16_C14 -16#define I16_C15 17union ui2 { int si[16]; unsigned int ui[16];};union us { short ss[16]; unsigned short us[16];};static union ui2 i32_sa ALIGN16;static union ui2 i32_ua ALIGN16;static union us i16_b ALIGN16 = { (short)I16_B0, (short)I16_B1, (short)I16_B2, (short)I16_B3, (short)I16_B4, (short)I16_B5, (short)I16_B6, (short)I16_B7, (short)I16_B8, (short)I16_B9, (short)I16_B10, (short)I16_B11, (short)I16_B12, (short)I16_B13, (short)I16_B14, (short)I16_B15,};static union us i16_c ALIGN16 = { (short)I16_C0, (short)I16_C1, (short)I16_C2, (short)I16_C3, (short)I16_C4, (short)I16_C5, (short)I16_C6, (short)I16_C7, (short)I16_C8, (short)I16_C9, (short)I16_C10, (short)I16_C11, (short)I16_C12, (short)I16_C13, (short)I16_C14, (short)I16_C15,};static long i32_sr[16] ALIGN16 = { ((int)I16_B0) * ((int)I16_C0), ((int)I16_B1) * ((int)I16_C1), ((int)I16_B2) * ((int)I16_C2), ((int)I16_B3) * ((int)I16_C3), ((int)I16_B4) * ((int)I16_C4), ((int)I16_B5) * ((int)I16_C5), ((int)I16_B6) * ((int)I16_C6), ((int)I16_B7) * ((int)I16_C7), ((int)I16_B8) * ((int)I16_C8), ((int)I16_B9) * ((int)I16_C9), ((int)I16_B10) * ((int)I16_C10), ((int)I16_B11) * ((int)I16_C11), ((int)I16_B12) * ((int)I16_C12), ((int)I16_B13) * ((int)I16_C13), ((int)I16_B14) * ((int)I16_C14), ((int)I16_B15) * ((int)I16_C15),};static unsigned long i32_ur[16] ALIGN16 = { ((unsigned int)(unsigned short)I16_B0) * ((unsigned int)(unsigned short)I16_C0), ((unsigned int)(unsigned short)I16_B1) * ((unsigned int)(unsigned short)I16_C1), ((unsigned int)(unsigned short)I16_B2) * ((unsigned int)(unsigned short)I16_C2), ((unsigned int)(unsigned short)I16_B3) * ((unsigned int)(unsigned short)I16_C3), ((unsigned int)(unsigned short)I16_B4) * ((unsigned int)(unsigned short)I16_C4), ((unsigned int)(unsigned short)I16_B5) * ((unsigned int)(unsigned short)I16_C5), ((unsigned int)(unsigned short)I16_B6) * ((unsigned int)(unsigned short)I16_C6), ((unsigned int)(unsigned short)I16_B7) * ((unsigned int)(unsigned short)I16_C7), ((unsigned int)(unsigned short)I16_B8) * ((unsigned int)(unsigned short)I16_C8), ((unsigned int)(unsigned short)I16_B9) * ((unsigned int)(unsigned short)I16_C9), ((unsigned int)(unsigned short)I16_B10) * ((unsigned int)(unsigned short)I16_C10), ((unsigned int)(unsigned short)I16_B11) * ((unsigned int)(unsigned short)I16_C11), ((unsigned int)(unsigned short)I16_B12) * ((unsigned int)(unsigned short)I16_C12), ((unsigned int)(unsigned short)I16_B13) * ((unsigned int)(unsigned short)I16_C13), ((unsigned int)(unsigned short)I16_B14) * ((unsigned int)(unsigned short)I16_C14), ((unsigned int)(unsigned short)I16_B15) * ((unsigned int)(unsigned short)I16_C15),};#ifndef ALIGN32#define ALIGN32 __attribute__((__aligned__(32)))#endif#define I32_B0 1#define I32_B1 23#define I32_B2 345#define I32_B3 6789#define I32_B4 101112#define I32_B5 -13#define I32_B6 141516#define I32_B7 -1718#define I32_C0 2#define I32_C1 45678910#define I32_C2 1112#define I32_C3 13#define I32_C4 14#define I32_C5 15#define I32_C6 -16#define I32_C7 17union ul { long sl[8]; unsigned long ul[8];};union ui { int si[8]; unsigned int ui[8];};static union ul i64_sa ALIGN32;static union ul i64_ua ALIGN32;static union ui i32_b ALIGN32 = { (int)I32_B0, (int)I32_B1, (int)I32_B2, (int)I32_B3, (int)I32_B4, (int)I32_B5, (int)I32_B6, (int)I32_B7,};static union ui i32_c ALIGN32 = { (int)I32_C0, (int)I32_C1, (int)I32_C2, (int)I32_C3, (int)I32_C4, (int)I32_C5, (int)I32_C6, (int)I32_C7,};static long i64_sr[8] ALIGN32 = { ((long)I32_B0) * ((long)I32_C0), ((long)I32_B1) * ((long)I32_C1), ((long)I32_B2) * ((long)I32_C2), ((long)I32_B3) * ((long)I32_C3), ((long)I32_B4) * ((long)I32_C4), ((long)I32_B5) * ((long)I32_C5), ((long)I32_B6) * ((long)I32_C6), ((long)I32_B7) * ((long)I32_C7),};static unsigned long i64_ur[8] ALIGN32 = { ((unsigned long)(unsigned)I32_B0) * ((unsigned long)(unsigned)I32_C0), ((unsigned long)(unsigned)I32_B1) * ((unsigned long)(unsigned)I32_C1), ((unsigned long)(unsigned)I32_B2) * ((unsigned long)(unsigned)I32_C2), ((unsigned long)(unsigned)I32_B3) * ((unsigned long)(unsigned)I32_C3), ((unsigned long)(unsigned)I32_B4) * ((unsigned long)(unsigned)I32_C4), ((unsigned long)(unsigned)I32_B5) * ((unsigned long)(unsigned)I32_C5), ((unsigned long)(unsigned)I32_B6) * ((unsigned long)(unsigned)I32_C6), ((unsigned long)(unsigned)I32_B7) * ((unsigned long)(unsigned)I32_C7),};int main (){ int i; /* Signed 16x16 -> 32-bit tests */ for (i = 0; i < 16; i++) i32_sa.si[i] = ((long)i16_b.ss[i]) * ((long)i16_c.ss[i]); for (i = 0; i < 16; i++) if (i32_sa.si[i] != i32_sr[i]) __builtin_abort (); /* Unsigned 16x16 -> 32-bit tests */ for (i = 0; i < 16; i++) i32_ua.ui[i] = ((long)i16_b.us[i]) * ((long)i16_c.us[i]); for (i = 0; i < 16; i++) if (i32_ua.ui[i] != i32_ur[i]) __builtin_abort (); /* Signed 32x32 -> 64-bit tests */ for (i = 0; i < 8; i++) i64_sa.sl[i] = ((long)i32_b.si[i]) * ((long)i32_c.si[i]); for (i = 0; i < 8; i++) if (i64_sa.sl[i] != i64_sr[i]) __builtin_abort (); /* Unsigned 32x32 -> 64-bit tests */ for (i = 0; i < 8; i++) i64_ua.ul[i] = ((long)i32_b.ui[i]) * ((long)i32_c.ui[i]); for (i = 0; i < 8; i++) if (i64_ua.ul[i] != i64_ur[i]) __builtin_abort (); return 0;}
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?