Viewing file:  no-literal-pool-m0.c (2.34 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-skip-if "skip override" { *-*-* } { "-mfloat-abi=hard" } { "" } } */
/* { dg-options "-mpure-code -mcpu=cortex-m0 -march=armv6s-m -mthumb -mfloat-abi=soft" } */
/* { dg-final { check-function-bodies "**" "" } } */
/* Does not use thumb1_gen_const_int.
** test_0:
** ...
** movs r[0-3], #0
** ...
*/
int
test_0 ()
{
return 0;
}
/* Does not use thumb1_gen_const_int.
** test_128:
** ...
** movs r[0-3], #128
** ...
*/
int
test_128 ()
{
return 128;
}
/* Does not use thumb1_gen_const_int.
** test_264:
** ...
** movs r[0-3], #132
** lsls r[0-3], r[0-3], #1
** ...
*/
int
test_264 ()
{
return 264;
}
/* Does not use thumb1_gen_const_int.
** test_510:
** ...
** movs r[0-3], #255
** lsls r[0-3], r[0-3], #1
** ...
*/
int
test_510 ()
{
return 510;
}
/* Does not use thumb1_gen_const_int.
** test_512:
** ...
** movs r[0-3], #128
** lsls r[0-3], r[0-3], #2
** ...
*/
int
test_512 ()
{
return 512;
}
/* Does not use thumb1_gen_const_int.
** test_764:
** ...
** movs r[0-3], #191
** lsls r[0-3], r[0-3], #2
** ...
*/
int
test_764 ()
{
return 764;
}
/* Does not use thumb1_gen_const_int.
** test_65536:
** ...
** movs r[0-3], #128
** lsls r[0-3], r[0-3], #9
** ...
*/
int
test_65536 ()
{
return 65536;
}
/*
** test_0x123456:
** ...
** movs r[0-3], #18
** lsls r[0-3], r[0-3], #8
** adds r[0-3], r[0-3], #52
** lsls r[0-3], r[0-3], #8
** adds r[0-3], r[0-3], #86
** ...
*/
int
test_0x123456 ()
{
return 0x123456;
}
/*
** test_0x1123456:
** ...
** movs r[0-3], #137
** lsls r[0-3], r[0-3], #8
** adds r[0-3], r[0-3], #26
** lsls r[0-3], r[0-3], #8
** adds r[0-3], r[0-3], #43
** lsls r[0-3], r[0-3], #1
** ...
*/
int
test_0x1123456 ()
{
return 0x1123456;
}
/* With -Os, we generate:
movs r0, #16
lsls r0, r0, r0
With the other optimization levels, we generate:
movs r0, #16
lsls r0, r0, #16
hence the two alternatives. */
/*
** test_0x1000010:
** ...
** movs r[0-3], #16
** lsls r[0-3], r[0-3], (#16|r[0-3])
** adds r[0-3], r[0-3], #1
** lsls r[0-3], r[0-3], #4
** ...
*/
int
test_0x1000010 ()
{
return 0x1000010;
}
/*
** test_0x1000011:
** ...
** movs r[0-3], #1
** lsls r[0-3], r[0-3], #24
** adds r[0-3], r[0-3], #17
** ...
*/
int
test_0x1000011 ()
{
return 0x1000011;
}
/*
** test_m8192:
** ...
** movs r[0-3], #1
** lsls r[0-3], r[0-3], #13
** rsbs r[0-3], r[0-3], #0
** ...
*/
int
test_m8192 ()
{
return -8192;
}
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