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Reenable register variables

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1625 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2002-11-24 23:31:54 +00:00
parent b6898c3f1e
commit ede471904c
15 changed files with 380 additions and 88 deletions
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17
src/cc65/codegen.c
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@@ -134,7 +134,7 @@ static const char* GetLabelName (unsigned Flags, unsigned long Label, long Offs)
default:
Internal ("Invalid address flags");
}
/* Return a pointer to the static buffer */
return Buf;
}
@@ -3981,6 +3981,21 @@ void g_zerobytes (unsigned n)
void g_initregister (unsigned Label, unsigned Reg, unsigned Size)
/* Initialize a register variable from static initialization data */
{
/* Register variables do always have less than 128 bytes */
unsigned CodeLabel = GetLocalLabel ();
ldxconst (Size-1);
g_defcodelabel (CodeLabel);
AddCodeLine ("lda %s,x", GetLabelName (CF_STATIC, Label, 0));
AddCodeLine ("sta %s,x", GetLabelName (CF_REGVAR, Reg, 0));
AddCodeLine ("dex");
AddCodeLine ("bpl %s", LocalLabelName (CodeLabel));
}
void g_initauto (unsigned Label, unsigned Size)
/* Initialize a local variable at stack offset zero from static data */
{