Possible gas regression

[NightStrike <nightstrike at gmail dot com>]

We noticed while compiling mingw-w64 using binutils CVS HEAD this
morning the following failure:

x86_64-w64-mingw32-gcc -DHAVE_CONFIG_H -I.
-I../../../build/mingw/mingw-w64-crt  -m64
-I../../../build/mingw/mingw-w64-crt/include -D_CRTBLD
-I/buildbot/pac0602-cygwin/cygwin-x86-x86_64/build/build/root/x86_64-w64-mingw32/include
  -g -O2 -MT math/lib64_libmingwex_a-scalbnl.o -MD -MP -MF
math/.deps/lib64_libmingwex_a-scalbnl.Tpo -c -o
math/lib64_libmingwex_a-scalbnl.o `test -f 'math/scalbnl.S' || echo
'../../../build/mingw/mingw-w64-crt/'`math/scalbnl.S
scalbnl.S: Assembler messages:
scalbnl.S:20: Error: operand type mismatch for `and'

scalbnl.S is:

/**
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the w64 mingw-runtime package.
 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 */
#include <_mingw_mac.h>

        .file   "scalbnl.S"
        .text
#ifdef _WIN64
        .align 8
#else
        .align 4
#endif
.globl __MINGW_USYMBOL(scalbnl)
        .def    __MINGW_USYMBOL(scalbnl);       .scl    2;      .type
 32;     .endef
__MINGW_USYMBOL(scalbnl):
#ifdef _WIN64
        subq  $24, %rsp
        andq    $0xffffffff, %r8
        movq    %r8, (%rsp)
        fildl   (%rsp)
        fldt    (%rdx)
        fscale
        fstp    %st(1)
        movq    %rcx,%rax
        movq    $0,8(%rcx)
        fstpt   (%rcx)
        addq $24, %rsp
        ret
#else
        fildl   16(%esp)
        fldt    4(%esp)
        fscale
        fstp    %st(1)
        ret
#endif

.globl __MINGW_USYMBOL(scalblnl)
        .set    __MINGW_USYMBOL(scalblnl),__MINGW_USYMBOL(scalbnl)




Any ideas why that would fail?