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/* { dg-do compile } */
/* { dg-options "-O3 -mhwmult=f5series" } */
/* { dg-final { check-function-bodies "**" "" } } */
/* Verify the MSP430 cost model is working as expected for the default ISA
(msp430x) and f5series hwmult, when compiling at -O3. */
volatile unsigned long a;
volatile unsigned int b;
volatile unsigned long c;
unsigned long res1;
unsigned long res2;
unsigned long res3;
/*
** foo:
** ...
** MOV.B #16, R14
** CALL.* #__mspabi_slll
** ...
** MOV.* \&res2.*
** ...
** RLA.*RLC.*
** ...
** MOV.* \&res3.*
** ...
** RLA.*RLC.*
** ...
*/
void foo (void)
{
/* Use the shift library function for this. */
res1 = (a << 16) | b;
/* Emit 7 inline shifts for this. */
res2 *= 128;
/* Perform this multiplication inline, using addition and shifts. */
res3 *= 100;
}
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