> -----Original Message----- > From: Robert Suchanek [mailto:robert.sucha...@imgtec.com] > Sent: Monday, January 26, 2015 6:48 AM > To: gcc-patches@gcc.gnu.org > Cc: Matthew Fortune; Moore, Catherine > Subject: [PATCH MIPS RFA] Regression cleanup for nan2008 toolchain > > Hi, > > Here is a patch to clean up a large number of reported failures when a > toolchain > is configured with --with-nan=2008 for mips*-linux-gnu triplet and clean up a > failures > for mips-img-linux-gnu where nan2008 is set by the default. > > In the former case, regression involves testing e.g. -mips4 with default > options which > causes emission of warnings that the -mips4 architecture does not support > nan2008, and > hence, the test is classified as a fail ("test for excess errors" type of > error). > The patch implies -mnan=legacy switch for all tests that are run for ISA rev < > 2. > > In the latter case, even if we decrease the ISA level for incompatible options > for > the loongson vector extension tests, especially loongson-simd.c, a test that > includes > stdint.h or stdlib.h will end up including the glibc header 'stubs-<abi>.h>' > and > will > fail as the mipsr6 toolchain will only have stubs-o32_hard_2008.h. A toolchain > supporting > nan1985 will have the required stubs-o32_hard.h. The only neat solution > AFAICS was to add > a new effective target that tries to compile and include stdlib.h to check if > we > have > the proper support for the legacy NaN marking the concerned tests as > UNSUPPORTED. > > Regards, > Robert > > 2015-01-26 Robert Suchanek <robert.sucha...@imgtec.com> > > gcc/testsuite > * lib/target-supports.exp (check_effective_target_mips_nanlegacy): > New. > * gcc.target/mips/loongson-simd.c: Require legacy NaN support. > * gcc.target/mips/mips.exp (mips-dg-options): Imply -mnan=legacy > for > ISA rev < 2. > ---
This patch is OK.
