Viewing file:  spill_7.c (1.17 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize -ffast-math" } */
#include <stdint.h>
void consumer (void *);
#define TEST_LOOP(TYPE, VAL) \
void \
multi_loop_##TYPE (TYPE *x, int n) \
{ \
for (int k = 0; k < 4; ++k) \
{ \
for (int j = 0; j < n; ++j) \
{ \
for (int i = 0; i < 100; ++i) \
x[i] += VAL + i; \
asm volatile (""); \
} \
for (int j = 0; j < n; ++j) \
consumer (x); \
for (int j = 0; j < n; ++j) \
{ \
for (int i = 0; i < 100; ++i) \
x[i] += VAL + i; \
asm volatile (""); \
} \
consumer (x); \
for (int i = 0; i < 100; ++i) \
x[i] += VAL + i; \
consumer (x); \
} \
}
TEST_LOOP (uint8_t, 3);
TEST_LOOP (uint16_t, 4);
TEST_LOOP (uint32_t, 5);
TEST_LOOP (uint64_t, 6);
TEST_LOOP (float, 2.5f);
TEST_LOOP (double, 3.5);
/* { dg-final { scan-assembler-times {\tindex\tz[0-9]+\..,} 18 } } */
/* { dg-final { scan-assembler-not {\tldr\tz[0-9]} } } */
/* { dg-final { scan-assembler-not {\tstr\tz[0-9]} } } */
/* { dg-final { scan-assembler-not {\tldr\tp[0-9]} } } */
/* { dg-final { scan-assembler-not {\tstr\tp[0-9]} } } */
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