TARGET_USE_BIT_TEST introduced in http://gcc.gnu.org/ml/gcc-patches/1998-08/msg00197.html is never used.
Confirmed.
Subject: Bug 24765 Author: hjl Date: Tue Oct 7 16:00:30 2008 New Revision: 140938 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=140938 Log: 2008-10-07 H.J. Lu <hongjiu.lu@intel.com> PR target/24765 * config/i386/i386.c (initial_ix86_tune_features): Remove X86_TUNE_USE_BIT_TEST. * config/i386/i386.h (ix86_tune_indices): Likewise. (TARGET_USE_BIT_TEST): Removed. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c trunk/gcc/config/i386/i386.h
Fixed.