Viewing file:  pr54089-10.c (2.55 KB) -rw-r--r--
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/* Check that there are no redundant zero extensions around logical right
shifts. */
/* { dg-do compile } */
/* { dg-options "-O1" } */
/* { dg-final { scan-assembler-times "extu" 20 } } */
/* { dg-final { scan-assembler-times "shll" 2 { target { "! sh2a" && has_dyn_shift } } } } */
/* { dg-final { scan-assembler-times "shll" 3 { target { "! sh2a" && "! has_dyn_shift" } } } } */
/* { dg-final { scan-assembler-times "movt" 2 { target { ! sh2a } } } } */
/* { dg-final { scan-assembler-times "bld" 1 { target { sh2a } } } } */
/* { dg-final { scan-assembler-times "movt" 1 { target { sh2a } } } } */
/* { dg-final { scan-assembler-times "movrt" 1 { target { sh2a } } } } */
/* { dg-final { scan-assembler-times "cmp/pz" 1 { target { sh2a } } } } */
/* { dg-final { scan-assembler-times "shld" 9 { target { has_dyn_shift } } } } */
void
test_0 (unsigned char* x, unsigned int* y)
{
y[0] = x[1] >> 1;
}
void
test_1 (unsigned char* x, unsigned int* y)
{
y[0] = x[1] >> 2;
}
void
test_2 (unsigned char* x, unsigned int* y)
{
y[0] = x[1] >> 3;
}
void
test_3 (unsigned char* x, unsigned int* y)
{
y[0] = x[1] >> 4;
}
void
test_4 (unsigned char* x, unsigned int* y)
{
y[0] = x[1] >> 5;
}
void
test_5 (unsigned char* x, unsigned int* y)
{
y[0] = x[1] >> 6;
}
void
test_6 (unsigned char* x, unsigned int* y)
{
/* non-SH2A: shll, movt
SH2A: bld, movt */
y[0] = x[1] >> 7;
}
void
test_100 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 1;
}
void
test_101 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 2;
}
void
test_102 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 3;
}
void
test_103 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 4;
}
void
test_104 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 5;
}
void
test_105 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 6;
}
void
test_106 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 7;
}
void
test_107 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 8;
}
void
test_108 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 9;
}
void
test_109 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 10;
}
void
test_110 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 11;
}
void
test_111 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 12;
}
void
test_112 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 13;
}
void
test_113 (unsigned short* x, unsigned int* y)
{
y[0] = x[1] >> 14;
}
void
test_114 (unsigned short* x, unsigned int* y)
{
/* non-SH2A: shll, movt
SH2A: cmp/pz, movrt */
y[0] = x[1] >> 15;
}
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