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resource.c (mark_referenced_resources): Mark a set strict_low_part as used. 

* resource.c (mark_referenced_resources): Mark a set strict_low_part
as used.
* config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
strict_low_part when possible.

From-SVN: r31340
This commit is contained in:
Alexandre Oliva 2000-01-11 23:52:07 +00:00 committed by Alexandre Oliva
parent a5bfff0ce6
commit 07570c398b
3 changed files with 10 additions and 3 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Richard Henderson <rth@cygnus.com>
* resource.c (mark_referenced_resources): Mark a set strict_low_part
as used.
* config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
strict_low_part when possible.
2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* alias.c: PROTO -> PARAMS.

2
gcc/config/i386/i386.c
View File

@ -4341,8 +4341,6 @@ ix86_expand_setcc (code, unordered, dest)
*/
type = 0;
/* %%% reload problems with in-out. Revisit. */
type = 1;
if (GET_MODE (dest) == QImode)
type = 2;

4
gcc/resource.c
View File

@ -272,7 +272,9 @@ mark_referenced_resources (x, res, include_delayed_effects)
mark_referenced_resources (SET_SRC (x), res, 0);
x = SET_DEST (x);
if (GET_CODE (x) == SIGN_EXTRACT || GET_CODE (x) == ZERO_EXTRACT)
if (GET_CODE (x) == SIGN_EXTRACT
|| GET_CODE (x) == ZERO_EXTRACT
|| GET_CODE (x) == STRICT_LOW_PART)
mark_referenced_resources (x, res, 0);
else if (GET_CODE (x) == SUBREG)
x = SUBREG_REG (x);