Re: [PATCH, i386] PR 48743 Correctly detect AMD K6-2+ and K6-3+

2011/5/18 Uros Bizjak ubiz...@gmail.com: Hello! 2011-05-16 Zuxy Meng zuxy.m...@gmail.com PR i386/48743 * config/i386/cpuid.h (bit_MMXEXT): New * config/i386/driver-i386.c (host_detect_local_cpu): Detect Athlon by the presence of extended MMX instead of extended 3DNow! PR target/48743

Re: [PATCH, i386] PR 48743 Correctly detect AMD K6-2+ and K6-3+

2011/5/17 H.J. Lu hjl.to...@gmail.com: On Mon, May 16, 2011 at 7:41 PM, Zuxy Meng zuxy.m...@gmail.com wrote: 2011/5/16 H.J. Lu hjl.to...@gmail.com: On Sun, May 15, 2011 at 10:03 PM, Zuxy Meng zuxy.m...@gmail.com wrote: Misdetected as Athlon by GCC, K6-2+ and K6-3+ are processors that support

Re: Bug detecting AMD K6-2+ with -march=native ?

Stroller 写入消息 news:0bead785-392b-49e3-a3d1-0f015b954...@stellar.eclipse.co.uk... Hi there, I have a Sun / Cobalt Qube 3 with an AMD K6-2+ CPU, and gcc seems to be misdetecting it as an Athlon when using -march=native # gcc -v -Q --help=target -march=native 21 | grep march

[PATCH, i386] PR 48743 Correctly detect AMD K6-2+ and K6-3+

Misdetected as Athlon by GCC, K6-2+ and K6-3+ are processors that support extended 3DNow! but don't support extended MMX or CMOV. I don't own a K6-2 or Athlon machine. Can anybody have the patch tested? 2011-05-16 Zuxy Meng zuxy.m...@gmail.com PR i386/48743 * config/i386/cpuid.h (bit_MMXEXT

Re: -mfpmath=sse,387 is experimental ?

Hi, Timothy Madden terminato...@gmail.com 写入消息 news:5078d8af0903120218i23b69a4bma28ad9b3f1bd4...@mail.gmail.com... On Thu, Mar 12, 2009 at 1:15 AM, Jan Hubicka hubi...@ucw.cz wrote: Timothy Madden wrote: Hello Is -mfpmath=both for i386 and x86-64 still experimental in gcc 4.3, as the in

Re: Is FTZ/DAZ for SSE via fast math available for x86 arch other than Linux?

Hi Zuxy Meng [EMAIL PROTECTED] дÈëÏûÏ¢ÐÂÎÅ:[EMAIL PROTECTED] Hi, 2007/3/11, Danny Smith [EMAIL PROTECTED]: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Zuxy Meng Sent: Wednesday, 7 March 2007 12:36 a.m. I've uploaded a proposed patch

Re: Is FTZ/DAZ for SSE via fast math available for x86 arch other than Linux?

Hi, 2007/5/21, Uros Bizjak [EMAIL PROTECTED]: Hello! Maybe such optimization isn't turned on for mingw. I updated the patch to force this by using -minline-all-stringops. http://gcc.gnu.org/bugzilla/attachment.cgi?id=13189 Any developer to have a look at this? Please post the patch to

Re: What's the status of autovectorization for MMX and 3DNow!?

Uros Bizjak [EMAIL PROTECTED] дÈëÏûÏ¢ÐÂÎÅ:[EMAIL PROTECTED] Hello! I'm particularly interested in this patch (http://gcc.gnu.org/ml/gcc-patches/2005-07/msg01128.html); pretty nice for users of Pentium 3 and Athlon. Has it been or will it be integrated into mainline? This patch heavily

Re: x86 inc/dec on core2

Mike Stump [EMAIL PROTECTED] ??:[EMAIL PROTECTED] On Apr 8, 2007, at 2:37 AM, Uros Bizjak wrote: My docs say that INC/DEC does not change the carry flag. Personally, I'm having a hard time envisioning how the semantics of the instruction are relevant at all. This is all about

Re: Is FTZ/DAZ for SSE via fast math available for x86 arch other than Linux?

Hi, 2007/3/11, Danny Smith [EMAIL PROTECTED]: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Zuxy Meng Sent: Wednesday, 7 March 2007 12:36 a.m. I've uploaded a proposed patch for this bug (http://gcc.gnu.org/bugzilla/attachment.cgi?id

Re: Is FTZ/DAZ for SSE via fast math available for x86 arch other than Linux?

Hello, Zuxy Meng [EMAIL PROTECTED] дÈëÏûÏ¢ÐÂÎÅ:[EMAIL PROTECTED] I saw the patch in http://gcc.gnu.org/ml/gcc/2005-08/msg00281.html but is it available for other hosts, like mingw32? I've uploaded a proposed patch for this bug (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13151action=diff

Is FTZ/DAZ for SSE via fast math available for x86 arch other than Linux?

I saw the patch in http://gcc.gnu.org/ml/gcc/2005-08/msg00281.html but is it available for other hosts, like mingw32? -- Zuxy

Why use pentium4 for Pentium M?

Hi, -march=native choose pentium4 instead of pentium-m for Pentium M processors (see config/i386/driver-i386.c)? Is this intentional or a typo? -- Zuxy

What's the status of autovectorization for MMX and 3DNow!?

Hi, I'm particularly interested in this patch (http://gcc.gnu.org/ml/gcc-patches/2005-07/msg01128.html); pretty nice for users of Pentium 3 and Athlon. Has it been or will it be integrated into mainline? -- Zuxy