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gengenrtl.c (gencode): Always use bzero to clear memory instead of dangerous casts and stores.

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* gengenrtl.c (gencode): Always use bzero to clear memory instead
        of dangerous casts and stores.
Fixes alpha & sparc -O3 bootstrap problems.

From-SVN: r24420
This commit is contained in:
Jeffrey A Law 1998-12-26 09:31:42 +00:00 committed by Jeff Law
parent 7ce1e6c85d
commit ba476f7531
2 changed files with 4 additions and 6 deletions
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3
gcc/ChangeLog
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@ -1,5 +1,8 @@
Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
* gengenrtl.c (gencode): Always use bzero to clear memory instead
of dangerous casts and stores.
* Makefile.in (compare, gnucompare): Add missing else true clauses.
Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)

7
gcc/gengenrtl.c
View File

@ -268,12 +268,7 @@ gencode (f)
fputs ("static rtx obstack_alloc_rtx (length)\n", f);
fputs (" register int length;\n{\n", f);
fputs (" rtx rt = (rtx) obstack_alloc (rtl_obstack, length);\n\n", f);
fputs (" if (sizeof(struct rtx_def) - sizeof(rtunion) == sizeof(int))\n", f);
fputs (" *(int *)rt = 0;\n", f);
fputs (" else if (sizeof(struct rtx_def) - sizeof(rtunion) == sizeof(HOST_WIDE_INT))\n", f);
fputs (" *(HOST_WIDE_INT *)rt = 0;\n", f);
fputs (" else\n", f);
fputs (" bzero((char *) rt, sizeof(struct rtx_def) - sizeof(rtunion));\n\n", f);
fputs (" bzero((char *) rt, sizeof(struct rtx_def) - sizeof(rtunion));\n\n", f);
fputs (" return rt;\n}\n\n", f);
for (fmt = formats; *fmt; ++fmt)