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h8300.c (const_costs): -4 and 4 are cheap on the h8300h.

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* h8300/h8300.c (const_costs): -4 and 4 are cheap on the h8300h.
        (notice_update_cc): Remove references to "value2" field.

From-SVN: r11709
This commit is contained in:
Jeff Law 1996-04-12 17:49:19 -06:00
parent f8f26adcc2
commit 5ae5999cfe
1 changed files with 6 additions and 5 deletions
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11
gcc/config/h8300/h8300.c
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@ -67,7 +67,6 @@ static char *names_upper_extended[] =
char **h8_reg_names;
/* Various operations needed by the following, indexed by CPU_TYPE. */
/* ??? The h8/300 assembler doesn't understand pop.w (yet). */
static char *h8_push_ops[2] =
{"push", "push.l"};
@ -687,6 +686,12 @@ const_costs (r, c)
case -1:
case -2:
return 0;
case 4:
case -4:
if (TARGET_H8300H)
return 0;
else
return 1;
default:
return 1;
}
@ -1277,10 +1282,6 @@ notice_update_cc (body, insn)
if (cc_status.value1 != 0
&& reg_overlap_mentioned_p (recog_operand[0], cc_status.value1))
cc_status.value1 = 0;
/* ??? Is value2 ever set?. */
if (cc_status.value2 != 0
&& reg_overlap_mentioned_p (recog_operand[0], cc_status.value2))
cc_status.value2 = 0;
break;
case CC_SET: