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Subtract from constant values.

This commit is contained in:
steve 2003-08-03 03:53:38 +00:00
parent 1a3a3fbcfa
commit 5e326cd90e
1 changed files with 23 additions and 2 deletions
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25
tgt-vvp/eval_expr.c
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: eval_expr.c,v 1.103 2003/07/26 03:34:43 steve Exp $"
#ident "$Id: eval_expr.c,v 1.104 2003/08/03 03:53:38 steve Exp $"
#endif
# include "vvp_priv.h"
@ -905,6 +905,7 @@ static struct vector_info draw_sub_immediate(ivl_expr_t le,
{
struct vector_info lv;
unsigned long imm;
unsigned tmp;
lv = draw_eval_expr_wid(le, wid, STUFF_OK_XZ);
assert(lv.wid == wid);
@ -912,7 +913,24 @@ static struct vector_info draw_sub_immediate(ivl_expr_t le,
imm = get_number_immediate(re);
assert( (imm & ~0xffff) == 0 );
fprintf(vvp_out, " %%subi %u, %lu, %u;\n", lv.base, imm, wid);
switch (lv.base) {
case 0:
case 1:
tmp = allocate_vector(wid);
fprintf(vvp_out, " %%mov %u, %u, %u;\n", tmp, lv.base, wid);
lv.base = tmp;
fprintf(vvp_out, " %%subi %u, %lu, %u;\n", lv.base, imm, wid);
return lv;
case 2:
case 3:
lv.base = 2;
return lv;
default:
fprintf(vvp_out, " %%subi %u, %lu, %u;\n", lv.base, imm, wid);
}
return lv;
}
@ -2115,6 +2133,9 @@ struct vector_info draw_eval_expr(ivl_expr_t exp, int stuff_ok_flag)
/*
* $Log: eval_expr.c,v $
* Revision 1.104 2003/08/03 03:53:38 steve
* Subtract from constant values.
*
* Revision 1.103 2003/07/26 03:34:43 steve
* Start handling pad of expressions in code generators.
*