Viewing file:  pr52483-2.c (1.67 KB) -rw-r--r--
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/* Check that loads/stores from/to volatile mems utilize displacement
addressing modes and do not result in redundant sign/zero extensions. */
/* { dg-do compile } */
/* { dg-options "-O1" } */
/* { dg-final { scan-assembler-times "@\\(5," 4 } } */
/* { dg-final { scan-assembler-times "@\\(10," 4 } } */
/* { dg-final { scan-assembler-times "@\\(20," 4 } } */
/* { dg-final { scan-assembler-times "@\\(40," 4 } } */
/* { dg-final { scan-assembler-times "@\\(44," 4 } } */
/* { dg-final { scan-assembler-not "exts" } } */
/* { dg-final { scan-assembler-times "extu|movu" 2 } } */
int
test_00 (volatile char* x)
{
return x[5];
}
void
test_100 (volatile char* x, char y)
{
x[5] = y;
}
int
test_01 (volatile short* x)
{
return x[5];
}
void
test_101 (volatile short* x, short y)
{
x[5] = y;
}
int
test_02 (volatile int* x)
{
return x[5];
}
void
test_102 (volatile int* x, int y)
{
x[5] = y;
}
long long
test_03 (volatile long long* x)
{
return x[5];
}
void
test_103 (volatile long long* x, long long y)
{
x[5] = y;
}
unsigned int
test_04 (volatile unsigned char* x)
{
// expected 1x extu.b or movu.b
return x[5];
}
void
test_104 (volatile unsigned char* x, unsigned char y)
{
x[5] = y;
}
unsigned int
test_05 (volatile unsigned short* x)
{
// expected 1x extu.w or movu.w
return x[5];
}
void
test_105 (volatile unsigned short* x, unsigned short y)
{
x[5] = y;
}
unsigned int
test_06 (volatile unsigned int* x)
{
return x[5];
}
void
test_106 (volatile unsigned int* x, unsigned int y)
{
x[5] = y;
}
unsigned long long
test_07 (volatile unsigned long long* x)
{
return x[5];
}
void
test_107 (volatile unsigned long long* x, unsigned long long y)
{
x[5] = y;
}
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