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i386.c (ix86_rtx_costs): For -fpic and x86-64 local symbolic constants are not expensive.

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* i386.c (ix86_rtx_costs): For -fpic and x86-64 local symbolic
	constants are not expensive.

From-SVN: r64855
This commit is contained in:
Jan Hubicka 2003-03-25 20:44:50 +01:00 committed by Jan Hubicka
parent cb9a1d9bb6
commit 3504dad3f6
2 changed files with 11 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Tue Mar 25 20:35:51 CET 2003 Jan Hubicka <jh@suse.cz>
* i386.c (ix86_rtx_costs): For -fpic and x86-64 local symbolic
constants are not expensive.
Mon Mar 24 20:03:03 CET 2003 Jan Hubicka <jh@suse.cz>
PR opt/10056

8
gcc/config/i386/i386.c
View File

@ -14939,7 +14939,11 @@ ix86_rtx_costs (x, code, outer_code, total)
*total = 3;
else if (TARGET_64BIT && !x86_64_zero_extended_value (x))
*total = 2;
else if (flag_pic && SYMBOLIC_CONST (x))
else if (flag_pic && SYMBOLIC_CONST (x)
&& (!TARGET_64BIT
|| (!GET_CODE (x) != LABEL_REF
&& (GET_CODE (x) != SYMBOL_REF
|| !SYMBOL_REF_FLAG (x)))))
*total = 1;
else
*total = 0;
@ -14962,7 +14966,7 @@ ix86_rtx_costs (x, code, outer_code, total)
/* Start with (MEM (SYMBOL_REF)), since that's where
it'll probably end up. Add a penalty for size. */
*total = (COSTS_N_INSNS (1)
+ (flag_pic != 0)
+ (flag_pic != 0 && !TARGET_64BIT)
+ (mode == SFmode ? 0 : mode == DFmode ? 1 : 2));
break;
}