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

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

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

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/bu

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

Re: MMX instruction and gcc

"Andrew Pinski" <[EMAIL PROTECTED]> дÈëÏûÏ¢ÐÂÎÅ:[EMAIL PROTECTED] > On 15 Mar 2007 08:12:21 -0700, Ian Lance Taylor <[EMAIL PROTECTED]> wrote: >> Galloth <[EMAIL PROTECTED]> writes: >> >> > I want ask, if there is posibilities that gcc will be automaticaly >> > generates MMX instruction? I tried -

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 abo

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

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 2>&1 | grep march /usr/libexec

Re: -mfpmath=sse,387 is experimental ?

Hi, "Timothy Madden" 写入消息 news:5078d8af0903120218i23b69a4bma28ad9b3f1bd4...@mail.gmail.com... On Thu, Mar 12, 2009 at 1:15 AM, Jan Hubicka wrote: Timothy Madden wrote: > Hello > > Is -mfpmath=both for i386 and x86-64 still experimental in gcc 4.3, as > the in the online manual page ? [...]

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 >>

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