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[Bug target/77957] [6/7 Regression] Undefined .LCTOC0 with -fstack-protector-strong -mminimal-toc -O0 on ppc64
- From: "segher at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 12 Nov 2016 15:13:46 +0000
- Subject: [Bug target/77957] [6/7 Regression] Undefined .LCTOC0 with -fstack-protector-strong -mminimal-toc -O0 on ppc64
- Auto-submitted: auto-generated
- References: <bug-77957-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77957
--- Comment #5 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Sat Nov 12 15:13:14 2016
New Revision: 242336
URL: https://gcc.gnu.org/viewcvs?rev=242336&root=gcc&view=rev
Log:
rs6000: Don't forget to initialize the TOC (PR77957)
The code generating traceback tables mistakenly does an early return
if !optional_tbtab, which causes it to miss the code generating the TOC
section. This only matters if the TOC will be empty since otherwise
the section is created elsewhere.
This patch fixes it.
PR target/77957
* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
return early if !optional_tbtab.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/rs6000.c