Re: [PATCH, testsuite]: PR 58757: Check for FP denormal values without triggering denormal exceptions

2014-09-24 Thread Uros Bizjak
On Tue, Sep 23, 2014 at 8:40 PM, Marc Glisse marc.gli...@inria.fr wrote: Attached patch avoids triggering denormal exceptions when FP insns are used to check for non-zero denormal values. But I thought the point of the test was to verify that the compiler's understanding of existence of

Re: [PATCH, testsuite]: PR 58757: Check for FP denormal values without triggering denormal exceptions

2014-09-24 Thread Marc Glisse
On Wed, 24 Sep 2014, Uros Bizjak wrote: However, alpha *does* support all IEEE features, the only problem is in its default model, which is for some reason High-Performance IEEE-Format Arithmetic (please see alpha AHB [1], section 4.7.6.5). This model does not require the overhead of an

[PATCH, testsuite]: PR 58757: Check for FP denormal values without triggering denormal exceptions

2014-09-23 Thread Uros Bizjak
Hello! Attached patch avoids triggering denormal exceptions when FP insns are used to check for non-zero denormal values. 2014-09-23 Uros Bizjak ubiz...@gmail.com PR target/58757 * gcc.dg/c11-true_min-1.c (checkz): Add. (main): Call checkz to check value for zero. Patch was

Re: [PATCH, testsuite]: PR 58757: Check for FP denormal values without triggering denormal exceptions

2014-09-23 Thread Joseph S. Myers
On Tue, 23 Sep 2014, Uros Bizjak wrote: Hello! Attached patch avoids triggering denormal exceptions when FP insns are used to check for non-zero denormal values. But I thought the point of the test was to verify that the compiler's understanding of existence of subnormal values was

Re: [PATCH, testsuite]: PR 58757: Check for FP denormal values without triggering denormal exceptions

2014-09-23 Thread Uros Bizjak
On Tue, Sep 23, 2014 at 7:57 PM, Joseph S. Myers jos...@codesourcery.com wrote: Attached patch avoids triggering denormal exceptions when FP insns are used to check for non-zero denormal values. But I thought the point of the test was to verify that the compiler's understanding of existence

Re: [PATCH, testsuite]: PR 58757: Check for FP denormal values without triggering denormal exceptions

2014-09-23 Thread Joseph S. Myers
On Tue, 23 Sep 2014, Uros Bizjak wrote: On Tue, Sep 23, 2014 at 7:57 PM, Joseph S. Myers jos...@codesourcery.com wrote: Attached patch avoids triggering denormal exceptions when FP insns are used to check for non-zero denormal values. But I thought the point of the test was to verify

Re: [PATCH, testsuite]: PR 58757: Check for FP denormal values without triggering denormal exceptions

2014-09-23 Thread Marc Glisse
On Tue, 23 Sep 2014, Joseph S. Myers wrote: On Tue, 23 Sep 2014, Uros Bizjak wrote: On Tue, Sep 23, 2014 at 7:57 PM, Joseph S. Myers jos...@codesourcery.com wrote: Attached patch avoids triggering denormal exceptions when FP insns are used to check for non-zero denormal values. But I