+2018-02-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * NEWS: Rename .nop to .nops.
+ * doc/as.texinfo: Likewise.
+ * read.c (potable): Add "nops". Remove "nop".
+ (s_nop): Renamed to ...
+ (s_nops): This.
+ * read.h (s_nop): Renamed to ...
+ (s_nops): This.
+ * write.c (cvt_frag_to_fill): Rename .nop to .nops.
+ (md_generate_nops): Likewise.
+ (relax_segment): Likewise.
+ * testsuite/gas/i386/nop-1.d: Updated.
+ * testsuite/gas/i386/nop-1.s: Likewise.
+ * testsuite/gas/i386/nop-2.d: Likewise.
+ * testsuite/gas/i386/nop-2.s: Likewise.
+ * testsuite/gas/i386/nop-3.d: Likewise.
+ * testsuite/gas/i386/nop-3.s: Likewise.
+ * testsuite/gas/i386/nop-4.d: Likewise.
+ * testsuite/gas/i386/nop-4.s: Likewise.
+ * testsuite/gas/i386/nop-5.d: Likewise.
+ * testsuite/gas/i386/nop-5.s: Likewise.
+ * testsuite/gas/i386/nop-6.d: Likewise.
+ * testsuite/gas/i386/nop-6.s: Likewise.
+ * testsuite/gas/i386/nop-bad-1.l: Likewise.
+ * testsuite/gas/i386/nop-bad-1.s: Likewise.
+ * testsuite/gas/i386/x86-64-nop-1.d: Likewise.
+ * testsuite/gas/i386/x86-64-nop-2.d: Likewise.
+ * testsuite/gas/i386/x86-64-nop-3.d: Likewise.
+ * testsuite/gas/i386/x86-64-nop-4.d: Likewise.
+ * testsuite/gas/i386/x86-64-nop-5.d: Likewise.
+ * testsuite/gas/i386/x86-64-nop-6.d: Likewise.
+
+2018-02-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/22871
+ * NEWS: Mention -O[2|s].
+ * config/tc-i386.c (_i386_insn): Add no_optimize.
+ (optimize): New.
+ (optimize_for_space): Likewise.
+ (fits_in_imm7): New function.
+ (fits_in_imm31): Likewise.
+ (optimize_encoding): Likewise.
+ (md_assemble): Call optimize_encoding to optimize encoding.
+ (parse_insn): Handle {nooptimize}.
+ (md_shortopts): Append "O::".
+ (md_parse_option): Handle -On.
+ * doc/c-i386.texi: Document -O0, -O, -O1, -O2 and -Os as well
+ as {nooptimize}.
+ * testsuite/gas/cfi/cfi-x86_64.d: Pass -O0 to assembler.
+ * testsuite/gas/i386/ilp32/cfi/cfi-x86_64.d: Likewise.
+ * testsuite/gas/i386/i386.exp: Run optimize-1, optimize-2,
+ optimize-3, x86-64-optimize-1, x86-64-optimize-2,
+ x86-64-optimize-3 and x86-64-optimize-4.
+ * testsuite/gas/i386/optimize-1.d: New file.
+ * testsuite/gas/i386/optimize-1.s: Likewise.
+ * testsuite/gas/i386/optimize-2.d: Likewise.
+ * testsuite/gas/i386/optimize-2.s: Likewise.
+ * testsuite/gas/i386/optimize-3.d: Likewise.
+ * testsuite/gas/i386/optimize-3.s: Likewise.
+ * testsuite/gas/i386/x86-64-optimize-1.s: Likewise.
+ * testsuite/gas/i386/x86-64-optimize-1.d: Likewise.
+ * testsuite/gas/i386/x86-64-optimize-2.d: Likewise.
+ * testsuite/gas/i386/x86-64-optimize-2.s: Likewise.
+ * testsuite/gas/i386/x86-64-optimize-3.d: Likewise.
+ * testsuite/gas/i386/x86-64-optimize-3.s: Likewise.
+ * testsuite/gas/i386/x86-64-optimize-4.d: Likewise.
+ * testsuite/gas/i386/x86-64-optimize-4.s: Likewise.
+
+2018-02-27 Nick Clifton <nickc@redhat.com>
+
+ * po/ru.po: Updated Russian translation.
+
+2018-02-26 Maciej W. Rozycki <macro@mips.com>
+
+ * doc/as.texinfo (Pseudo Ops): Clean up `.dc' and `.ds'
+ descriptions.
+