ph_swap.c
1.35 KB
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////A: '--has-fpack --has-fhalf'
////C: '-daiteq-fpu-type=daifpu_php_divsqrt'
typedef half phalf __attribute__((ext_vector_type(2)));
typedef union fp32 {
/*
struct {
half up;
half dn;
} sth;
*/
half h[2];
phalf ph;
float f;
unsigned u;
} fp32;
#define opcode_FMOVHU(A, B, RES) \
RES.h[0]=A.h[0]; RES.h[1]=B.h[0]
#define opcode_FMOVHL(A, B, RES) \
RES.h[0]=A.h[1]; RES.h[1]=B.h[1]
#define opcode_FMOVHUL(A, B, RES) \
RES.h[0]=A.h[0]; RES.h[1]=B.h[1]
#define opcode_FMOVHLU(A, B, RES) \
RES.h[0]=A.h[1]; RES.h[1]=B.h[0]
#define opcode_FSWAPH(A, RES) \
RES.h[0]=A.h[1]; RES.h[1]=A.h[0]
#define opcode_FMOVHZU(A, RES) \
RES.h[0]=0.0H; RES.h[1]=A.h[0]
#define opcode_FMOVHZL(A, RES) \
RES.h[0]=0.0H; RES.h[1]=A.h[1]
int main(void)
{
volatile half d[10];
volatile phalf o;
fp32 opa, opb;
fp32 result;
// opa.h[0] = 1.2345h;
// opa.h[1] = 34.567h;
// opb.h[0] = 2.345h;
// opb.h[1] = 7.897h;
opcode_FSWAPH(opa, result);
opcode_FMOVHZU(opb, result);
opcode_FMOVHLU(opa, opb, result);
return 0;
}