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[Bug jit/64722] On 2nd time libgccjit is run in-process on i686, generated code clobbers %ebx register
- From: "dmalcolm at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 23 Jan 2015 15:58:17 +0000
- Subject: [Bug jit/64722] On 2nd time libgccjit is run in-process on i686, generated code clobbers %ebx register
- Auto-submitted: auto-generated
- References: <bug-64722-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64722
--- Comment #12 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Author: dmalcolm
Date: Fri Jan 23 15:57:42 2015
New Revision: 220044
URL: https://gcc.gnu.org/viewcvs?rev=220044&root=gcc&view=rev
Log:
PR jit/64722: fix corruption of %ebx on 32-bit i386 with libgccjit
gcc/ChangeLog:
PR jit/64722
* emit-rtl.c (init_emit_regs): Set pic_offset_table_rtx to
NULL_RTX before testing PIC_OFFSET_TABLE_REGNUM, since the
latter may be affected by the former (e.g. on i686).
Modified:
trunk/gcc/ChangeLog
trunk/gcc/emit-rtl.c