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x86-64: in gv(): ignore second register

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This commit is contained in:
grischka 2009-12-17 21:09:53 +01:00
parent d79b867d55
commit ab4a4ab25e
1 changed files with 8 additions and 5 deletions
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13
tccgen.c
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@ -448,11 +448,14 @@ int gv(int rc)
- constant
- lvalue (need to dereference pointer)
- already a register, but not in the right class */
if (r >= VT_CONST ||
(vtop->r & VT_LVAL) ||
!(reg_classes[r] & rc) ||
((vtop->type.t & VT_BTYPE) == VT_LLONG &&
!(reg_classes[vtop->r2] & rc2))) {
if (r >= VT_CONST
|| (vtop->r & VT_LVAL)
|| !(reg_classes[r] & rc)
#ifndef TCC_TARGET_X86_64
|| ((vtop->type.t & VT_BTYPE) == VT_LLONG && !(reg_classes[vtop->r2] & rc2))
#endif
)
{
r = get_reg(rc);
#ifndef TCC_TARGET_X86_64
if ((vtop->type.t & VT_BTYPE) == VT_LLONG) {