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riscv: fp parameters

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makes 23_type_coercion work.  (clean up to 31_args)
This commit is contained in:
Michael Matz 2019-07-14 01:37:02 +02:00
parent 0d3db83f16
commit 02c8e69a07
1 changed files with 5 additions and 3 deletions
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8
riscv64-gen.c
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@ -432,14 +432,16 @@ ST_FUNC void gfunc_prolog(CType *func_type)
} else {
int regcount = 1;
if (size > XLEN)
regcount++;
regcount++, tcc_error("unimp: scalars > 64bit");
if (regcount + (is_float(type->t) ? afreg : aireg) >= 8)
goto from_stack;
loc -= regcount * 8;
loc -= regcount * 8; // XXX could reserve only 'size' bytes
param_addr = loc;
for (i = 0; i < regcount; i++) {
if (is_float(type->t)) {
tcc_error("unimp: float args");
assert(type->t == VT_FLOAT || type->t == VT_DOUBLE);
ES(0x27, size == 4 ? 2 : 3, 8, 10 + afreg, loc + i*8); // fs[wd] FAi, loc(s0)
afreg++;
} else {
ES(0x23, 3, 8, 10 + aireg, loc + i*8); // sd aX, loc(s0) // XXX
aireg++;