x86/fpu/math-emu: Add support for FCMOVcc insns

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Run-tested by booting with "no387 nofxsr" and running test
program:

  [RUN]   Testing fcmovCC instructions
  [OK]    fcmovCC

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1442588010-20055-3-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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This commit is contained in:

Denys Vlasenko 2015-09-18 16:53:30 +02:00 • committed by Ingo Molnar

parent b8e4a910e5

commit 9a9d8642d0

3 changed files with 87 additions and 9 deletions

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70

arch/x86/math-emu/fpu_aux.c

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18

arch/x86/math-emu/fpu_entry.c

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8

arch/x86/math-emu/fpu_proto.h

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