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...l eventually do it. -Andy From: Ulrich Weigand [mailto:Ulrich.Weigand at de.ibm.com] Sent: Tuesday, January 09, 2018 9:59 AM To: Kaylor, Andrew <andrew.kaylor at intel.com>; kpn at neutralgood.org Cc: Hal Finkel <hfinkel at anl.gov>; Richard Smith <richard at metafoo.co.uk>; bob.huemmer at sas.com; bumblebritches57 at gmail.com; wei.ding2 at amd.com; cfe-dev at lists.llvm.org; llvm-dev <llvm-dev at lists.llvm.org> Subject: Re: [cfe-dev] Why is #pragma STDC FENV_ACCESS not supported? Andrew Kaylor wrote: >In general, the current "strict FP" handling stops at i...

...ylor at intel.com <mailto:andrew.kaylor at intel.com>>; kpn at neutralgood.org <mailto:kpn at neutralgood.org> > Cc: Hal Finkel <hfinkel at anl.gov <mailto:hfinkel at anl.gov>>; Richard Smith <richard at metafoo.co.uk <mailto:richard at metafoo.co.uk>>; bob.huemmer at sas.com <mailto:bob.huemmer at sas.com>; bumblebritches57 at gmail.com <mailto:bumblebritches57 at gmail.com>; wei.ding2 at amd.com <mailto:wei.ding2 at amd.com>; cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>; llvm-dev <llvm-dev at lists.llvm.org <mai...

...eutralgood.org] Sent: Monday, January 08, 2018 6:41 AM To: Hal Finkel via cfe-dev <cfe-dev at lists.llvm.org> Cc: Richard Smith <richard at metafoo.co.uk>; Kaylor, Andrew <andrew.kaylor at intel.com>; Marcus Johnson <bumblebritches57 at gmail.com>; wei.ding2 at amd.com; Bob Huemmer <bob.huemmer at sas.com> Subject: Re: [cfe-dev] Why is #pragma STDC FENV_ACCESS not supported? On Thu, Aug 31, 2017 at 05:03:17PM -0500, Hal Finkel via cfe-dev wrote: > To be clear, we've had several extensive discussions about this, on and > off list, and Andy has started ad...

...>>; Kaylor, Andrew > <andrew.kaylor at intel.com <mailto:andrew.kaylor at intel.com>>; Marcus > Johnson <bumblebritches57 at gmail.com > <mailto:bumblebritches57 at gmail.com>>; wei.ding2 at amd.com > <mailto:wei.ding2 at amd.com>; Bob Huemmer <bob.huemmer at sas.com > <mailto:bob.huemmer at sas.com>> > Subject: Re: [cfe-dev] Why is #pragma STDC FENV_ACCESS not supported? > > On Thu, Aug 31, 2017 at 05:03:17PM -0500, Hal Finkel via cfe-dev > wrote: > > To be clear, we've had sev...

...or, Andrew" <andrew.kaylor at intel.com> To: Ulrich Weigand <Ulrich.Weigand at de.ibm.com>, "kpn at neutralgood.org" <kpn at neutralgood.org> Cc: Hal Finkel <hfinkel at anl.gov>, Richard Smith <richard at metafoo.co.uk>, "bob.huemmer at sas.com" <bob.huemmer at sas.com>, "bumblebritches57 at gmail.com" <bumblebritches57 at gmail.com>, "cfe-dev at lists.llvm.org" <cfe-dev at lists.llvm.org>, llvm-dev <llvm-dev at lists.llvm.org> Date: 09.01.2018...

Andrew Kaylor wrote: >In general, the current "strict FP" handling stops at instruction >selection. At the MachineIR level we don't currently have a mechanism >to prevent inappropriate optimizations based on floating point >constraints, or indeed to convey such constraints to the backend. >Implicit register use modeling may provide some restriction on some

...that was a bad idea. -Andy From: rjmccall at apple.com [mailto:rjmccall at apple.com] Sent: Tuesday, January 09, 2018 11:12 AM To: Kaylor, Andrew <andrew.kaylor at intel.com> Cc: Ulrich Weigand <Ulrich.Weigand at de.ibm.com>; kpn at neutralgood.org; bumblebritches57 at gmail.com; bob.huemmer at sas.com; llvm-dev <llvm-dev at lists.llvm.org>; Richard Smith <richard at metafoo.co.uk>; cfe-dev at lists.llvm.org Subject: Re: [cfe-dev] Why is #pragma STDC FENV_ACCESS not supported? On Jan 9, 2018, at 1:53 PM, Kaylor, Andrew via cfe-dev <cfe-dev at lists.llvm.org<mailto:c...

...: Monday, January 08, 2018 6:41 AM > To: Hal Finkel via cfe-dev <cfe-dev at lists.llvm.org> > Cc: Richard Smith <richard at metafoo.co.uk>; Kaylor, Andrew < > andrew.kaylor at intel.com>; Marcus Johnson <bumblebritches57 at gmail.com>; > wei.ding2 at amd.com; Bob Huemmer <bob.huemmer at sas.com> > Subject: Re: [cfe-dev] Why is #pragma STDC FENV_ACCESS not supported? > > On Thu, Aug 31, 2017 at 05:03:17PM -0500, Hal Finkel via cfe-dev wrote: > > To be clear, we've had several extensive discussions about this, on > and > > off...

...rjmccall at apple.com [mailto:rjmccall at apple.com <rjmccall at apple.com>] *Sent:* Tuesday, January 09, 2018 11:12 AM *To:* Kaylor, Andrew <andrew.kaylor at intel.com> *Cc:* Ulrich Weigand <Ulrich.Weigand at de.ibm.com>; kpn at neutralgood.org; bumblebritches57 at gmail.com; bob.huemmer at sas.com; llvm-dev < llvm-dev at lists.llvm.org>; Richard Smith <richard at metafoo.co.uk>; cfe-dev at lists.llvm.org *Subject:* Re: [cfe-dev] Why is #pragma STDC FENV_ACCESS not supported? On Jan 9, 2018, at 1:53 PM, Kaylor, Andrew via cfe-dev < cfe-dev at lists.llvm.org> wr...

...: Monday, January 08, 2018 6:41 AM > To: Hal Finkel via cfe-dev <cfe-dev at lists.llvm.org> > Cc: Richard Smith <richard at metafoo.co.uk>; Kaylor, Andrew < > andrew.kaylor at intel.com>; Marcus Johnson <bumblebritches57 at gmail.com>; > wei.ding2 at amd.com; Bob Huemmer <bob.huemmer at sas.com> > Subject: Re: [cfe-dev] Why is #pragma STDC FENV_ACCESS not supported? > > On Thu, Aug 31, 2017 at 05:03:17PM -0500, Hal Finkel via cfe-dev wrote: > > To be clear, we've had several extensive discussions about this, on > and > > off...

...h <richard at metafoo.co.uk>; Kaylor, Andrew <andrew.kaylor at intel.com>; Nelson, Clark <clark.nelson at intel.com>; Marcus Johnson <bumblebritches57 at gmail.com>; wei.ding2 at amd.com; llvm-dev <llvm-dev at lists.llvm.org>; Hal Finkel <hfinkel at anl.gov>; Bob Huemmer <bob.huemmer at sas.com> Subject: Re: [cfe-dev] [llvm-dev] Why is #pragma STDC FENV_ACCESS not supported? > On 01/08/2018 07:06 PM, Richard Smith via llvm-dev wrote: > > On 8 January 2018 at 11:15, Kaylor, Andrew via llvm-dev > <[1]llvm-dev at lists.llvm.org> wrot...

...or, Andrew" <andrew.kaylor at intel.com> To: Ulrich Weigand <Ulrich.Weigand at de.ibm.com>, "kpn at neutralgood.org" <kpn at neutralgood.org> Cc: Hal Finkel <hfinkel at anl.gov>, Richard Smith <richard at metafoo.co.uk>, "bob.huemmer at sas.com" <bob.huemmer at sas.com>, "bumblebritches57 at gmail.com" <bumblebritches57 at gmail.com>, "cfe-dev at lists.llvm.org" <cfe-dev at lists.llvm.org>, llvm-dev <llvm-dev at lists.llvm.org> Date: 09.01.2018...

...: Ulrich Weigand [mailto:Ulrich.Weigand at de.ibm.com] > Sent: Tuesday, January 09, 2018 9:59 AM > To: Kaylor, Andrew <andrew.kaylor at intel.com>; kpn at neutralgood.org > Cc: Hal Finkel <hfinkel at anl.gov>; Richard Smith > <richard at metafoo.co.uk>; bob.huemmer at sas.com; > bumblebritches57 at gmail.com; wei.ding2 at amd.com; cfe-dev at lists.llvm.org; > llvm-dev <llvm-dev at lists.llvm.org> > Subject: Re: [cfe-dev] Why is #pragma STDC FENV_ACCESS not supported? > > > Andrew Kaylor wrote: > >In general, the...