[Bug target/58757] Advertise the lack of denormal support on alpha without -mieee

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58757

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Author: glisse
Date: Thu Sep 11 20:55:37 2014
New Revision: 215191

URL: https://gcc.gnu.org/viewcvs?rev=215191&root=gcc&view=rev
Log:
2014-09-11  Marc Glisse  <marc.glisse@inria.fr>

    PR target/58757
gcc/c-family/
    * c-cppbuiltin.c (builtin_define_float_constants): Correct
    __*_DENORM_MIN__ without denormals.
gcc/
    * ginclude/float.h (FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
    Directly forward to __*_DENORM_MIN__.
gcc/testsuite/
    * gcc.dg/c11-true_min-1.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/c11-true_min-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-cppbuiltin.c
    trunk/gcc/ginclude/float.h
    trunk/gcc/testsuite/ChangeLog