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authorH.J. Lu <hjl.tools@gmail.com>2003-06-10 06:46:34 +0000
committerH.J. Lu <hjl.tools@gmail.com>2003-06-10 06:46:34 +0000
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2003-06-09 H.J. Lu <hongjiu.lu@intel.com>
* NEWS: Updated for the new -n option for the i386 assembler. * config/tc-i386.c (optimize_align_code): New. (md_shortopts): Add 'n'. (md_parse_option): Handle 'n'. (md_show_usage): Add '-n'. * config/tc-i386.h (optimize_align_code): Declared. (md_do_align): Optimize code alignment only if optimize_align_code is not 0. * doc/as.texinfo: Add the new -n option. * doc/c-i386.texi: Document the new -n option.
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-*- text -*-
+* Added -n switch for x86 assembler. By default, x86 GAS replaces
+ multiple nop instructions used for alignment within code sections
+ with multi-byte nop instructions such as leal 0(%esi,1),%esi. This
+ switch disables the optimization.
+
* Added support for MIPS32 Release 2.
* Added support for Xtensa architecture.