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Message-ID: <CAOPLpQc_TfvtfJ0NL+4fsi2r_eW+4qWX+WbXrZ9BjGn44nAmBw@mail.gmail.com> Date: Fri, 13 Jan 2012 17:24:07 -0500 From: Ulrich Drepper <drepper@...il.com> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> Subject: Typo transferred from Intel manual The arch/x86/lib/x86-opcode-map.txt file contains the line af: SCAS/W/D/Q rAX,Xv This is what the Intel manuals show, but it's not correct. The 'X' stands for Memory addressed by the DS:rSI register pair (for example, MOVS, CMPS, OUTS, or LODS). On the other hand 'Y' means (also see the ae byte entry for SCASB): Memory addressed by the ES:rDI register pair (for example, MOVS, CMPS, INS, STOS, or SCAS). Hence the following patch should be applied: Signed-off-by: Ulrich Drepper <drepper@...il.com> diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt index 5b83c51..c292885 100644 --- a/arch/x86/lib/x86-opcode-map.txt +++ b/arch/x86/lib/x86-opcode-map.txt @@ -219,7 +219,7 @@ ab: STOS/W/D/Q Yv,rAX ac: LODS/B AL,Xb ad: LODS/W/D/Q rAX,Xv ae: SCAS/B AL,Yb -af: SCAS/W/D/Q rAX,Xv +af: SCAS/W/D/Q rAX,Yv # 0xb0 - 0xbf b0: MOV AL/R8L,Ib b1: MOV CL/R9L,Ib -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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