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more cases of creating complex expressions

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Walter Bright 2025-04-20 19:10:31 -07:00 • committed by Nicholas Wilson
parent 4379255e45
commit b0ed73d783
2 changed files with 23 additions and 5 deletions
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12
compiler/src/dmd/backend/x86/cg87.d
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@ -785,7 +785,6 @@ ubyte loadconst(elem* e, int im)
@trusted
void fixresult87(ref CodeBuilder cdb,elem* e,regm_t retregs, ref regm_t outretregs, bool isReturnValue = false)
{
//printf("fixresult87(e = %p, retregs = x%x, outretregs = x%x)\n", e,retregs,outretregs);
//printf("fixresult87(e = %p, retregs = %s, outretregs = %s)\n", e,regm_str(retregs),regm_str(outretregs));
assert(!outretregs || retregs);
@ -797,7 +796,7 @@ void fixresult87(ref CodeBuilder cdb,elem* e,regm_t retregs, ref regm_t outretre
tym_t tym = tybasic(e.Ety);
uint sz = _tysize[tym];
//printf("tym = x%x, sz = %d\n", tym, sz);
//printf("tym = %s, sz = %d\n", tym_str(tym), sz);
/* if retregs needs to be transferred into the 8087 */
if (outretregs & mST0 && retregs & (mBP | ALLREGS))
@ -911,6 +910,12 @@ void fixresult87(ref CodeBuilder cdb,elem* e,regm_t retregs, ref regm_t outretre
}
else if (retregs & mST0 && outretregs & XMMREGS)
{
if (0 && sz > DOUBLESIZE)
{
fprintf(stderr, "sz: %d tym: %s\n", sz, tym_str(tym));
fprintf(stderr, "fixresult87(e = %p, retregs = %s, outretregs = %s, mST0: %s)\n", e,regm_str(retregs),regm_str(outretregs),regm_str(mST0));
elem_print(e);
}
assert(sz <= DOUBLESIZE);
uint mf = (sz == FLOATSIZE) ? MFfloat : MFdouble;
// FSTP floatreg
@ -1631,7 +1636,8 @@ void load87(ref CodeBuilder cdb,elem* e,uint eoffset,ref regm_t outretregs,elem*
if (NDPP)
printf("+load87(e=%p, eoffset=%d, outretregs=%s, eleft=%p, op=%d, stackused = %d)\n",e,eoffset,regm_str(outretregs),eleft,op,global87.stackused);
//elem_print(e);
//elem_print(eleft);
assert(!(NOSAHF && op == 3));
elem_debug(e);
if (ADDFWAIT())

16
compiler/src/dmd/e2ir.d
View file

@ -1754,8 +1754,20 @@ elem* toElem(Expression e, ref IRState irs)
elem* visitAdd(AddExp e)
{
int op = OPadd;
if (e.type.ty == Tcomplex64 && e.e1.type.ty == Tfloat64 && e.e2.type.ty == Timaginary64)
op = OPpair;
if (e.type.isComplex())
{
const ty = e.type.ty;
const ty1 = e.e1.type.ty;
const ty2 = e.e2.type.ty;
if (ty == Tcomplex32 && ty1 == Tfloat32 && ty2 == Timaginary32 ||
ty == Tcomplex64 && ty1 == Tfloat64 && ty2 == Timaginary64 ||
0 && ty == Tcomplex80 && ty1 == Tfloat80 && ty2 == Timaginary80)
op = OPpair;
else if (ty == Tcomplex32 && ty1 == Timaginary32 && ty2 == Tfloat32 ||
ty == Tcomplex64 && ty1 == Timaginary64 && ty2 == Tfloat64 ||
0 && ty == Tcomplex80 && ty1 == Timaginary80 && ty2 == Tfloat80)
op = OPrpair;
}
return toElemBin(e, op);
}