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From: meissner@suse.de To: gcc-gnats@gcc.gnu.org Subject: target/8659: trying to delete frame instruction with -fpic Date: Thu, 28 Nov 2002 12:36:00 -0000 [thread overview] Message-ID: <20021120145434.23724.qmail@sources.redhat.com> (raw) >Number: 8659 >Category: target >Synopsis: trying to delete frame instruction with -fpic >Confidential: no >Severity: critical >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Wed Nov 20 06:56:02 PST 2002 >Closed-Date: >Last-Modified: >Originator: Marcus Meissner <meissner@suse.de> >Release: gcc version 3.2.1 20021002 (prerelease) >Organization: >Environment: SuSE Linux 8.1.99 (PowerPC 32) (powerpc-suse-linux) >Description: The attached testcase fails when compiled with: gcc -O2 -fpic testcase.i with: setup.i: In function `c': setup.i:10: Attempt to delete prologue/epilogue insn: (insn 66 64 67 (set (reg:SI 65 lr) (reg:SI 12 r12)) -1 (nil) (nil)) setup.i:10: Internal compiler error in propagate_one_insn, at flow.c:1615 >How-To-Repeat: gcc -O2 -fpic testcase.i on powerpc-*-linux >Fix: I guess something in the sibcall/varargs handling is amiss. >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: text/plain; name="testcase.i" Content-Disposition: inline; filename="testcase.i" static int a() {} static int b(char *f, ...) { } void c(char *x) { if (!*x) { b(""); return; } a(); }
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