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From: "howarth at bromo dot med.uc.edu" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/63793] -mcmodel=medium in gfortran on x86_64 emits references that are RIP relative (instead of using the GOT) Date: Fri, 14 Nov 2014 02:10:00 -0000 [thread overview] Message-ID: <bug-63793-4-i5ygOhrYAb@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-63793-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63793 --- Comment #18 from howarth at bromo dot med.uc.edu --- Another interesting section of code in gcc/config/i386/i386.c else { /* For TARGET_64BIT and MS_ABI, force pic on, in order to enable the use of rip-relative addressing. This eliminates fixups that would otherwise be needed if this object is to be placed in a DLL, and is essentially just as efficient as direct addressing. */ if (TARGET_64BIT_P (opts->x_ix86_isa_flags) && (TARGET_RDOS || TARGET_PECOFF)) opts->x_ix86_cmodel = CM_MEDIUM_PIC, opts->x_flag_pic = 1; else if (TARGET_64BIT_P (opts->x_ix86_isa_flags)) opts->x_ix86_cmodel = opts->x_flag_pic ? CM_SMALL_PIC : CM_SMALL; else opts->x_ix86_cmodel = CM_32; }
prev parent reply other threads:[~2014-11-14 2:10 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-11-09 14:17 [Bug middle-end/63793] New: " howarth at bromo dot med.uc.edu 2014-11-09 14:29 ` [Bug middle-end/63793] " howarth at bromo dot med.uc.edu 2014-11-09 14:32 ` howarth at bromo dot med.uc.edu 2014-11-09 15:20 ` howarth at bromo dot med.uc.edu 2014-11-13 15:51 ` howarth at bromo dot med.uc.edu 2014-11-13 16:51 ` howarth at bromo dot med.uc.edu 2014-11-13 18:03 ` howarth at bromo dot med.uc.edu 2014-11-13 18:10 ` howarth at bromo dot med.uc.edu 2014-11-13 21:00 ` howarth at bromo dot med.uc.edu 2014-11-13 21:04 ` howarth at bromo dot med.uc.edu 2014-11-14 0:24 ` howarth at bromo dot med.uc.edu 2014-11-14 0:33 ` iains at gcc dot gnu.org 2014-11-14 0:38 ` howarth at bromo dot med.uc.edu 2014-11-14 0:55 ` howarth at bromo dot med.uc.edu 2014-11-14 0:59 ` howarth at bromo dot med.uc.edu 2014-11-14 1:05 ` howarth at bromo dot med.uc.edu 2014-11-14 2:10 ` howarth at bromo dot med.uc.edu [this message]
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