PATCH: Enable TFmode for x86
H.J. Lu
hjl.tools@gmail.com
Tue Jul 1 21:53:00 GMT 2008
Hi,
I decided to fix
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36669
while keeping the old version. It turns out that mkmap-symver.awk only
supports one version per symbol. My patch extends to multiple versions.
Since symbol version is only needed for shared library. I need to a way to
tell if we are compiling for shared library. I added -DSHARED to
shared-object.mk and provided backward compatibility for x86-64.
Also I have to enable _builtin_fabsq and __builtin_copysignq with fallbacks
since libgcc calls them when I define LIBGCC2_HAS_TF_MODE to 1 for
Linux/x86.
I am testing it on Linux/ia32, Linux/x86-64 and Linux/ia64. OK for trunk if
all pass?
Thanks.
H.J.
---
gcc/
2008-07-01 H.J. Lu <hongjiu.lu@intel.com>
PR target/36669
* config/i386/libgcc-glibc.ver: New.
* config/i386/libgcc-x86_64-glibc.ver: Removed.
2008-07-01 H.J. Lu <hongjiu.lu@intel.com>
* config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
i[34567]86-*-linux*, x86_64-*-linux*. Add
i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
x86_64-*-linux*. Add i386/t-linux to tmake_file for
i[34567]86-*-linux*, x86_64-*-linux*.
* libgcc-std.ver: Add empty GCC_4.4.0.
* mkmap-symver.awk: Support multiple versions per symbol.
* config/i386/i386.c (ix86_init_builtins): Always define
__builtin_fabsq and __builtin_copysignq with fallbacks.
(ix86_expand_builtin): Emit normal call for __builtin_fabsq
and __builtin_copysignq if SSE2 isn't available.
* config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
(LIBGCC2_TF_CEXT): Likwise.
(TF_SIZE): Likwise.
* config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
* config/i386/sfp-machine.h: Moved to libgcc.
* config/i386/sfp-machine.h: New.
* config/i386/t-linux: Likwise.
* config/i386/t-darwin: Remove softfp_wrap_start and
softfp_wrap_end.
* config/i386/t-darwin64: Likewise.
* config/i386/t-fprules-softfp64: Renamed to ...
* config/i386/t-fprules-softfp: This.
* config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
and softfp_wrap_end.
libgcc/
2008-07-01 H.J. Lu <hongjiu.lu@intel.com>
PR target/36669
* shared-object.mk ($(base)_s$(objext)): Add -DSHARED.
* config/i386/64/_powitf2-compat.c: New.
* config/i386/64/eqtf2.c: Likewise.
* config/i386/64/getf2.c: Likewise.
* config/i386/64/letf2.c: Likewise.
* config/i386/64/t-fprules-softfp: Likewise.
2008-07-01 H.J. Lu <hongjiu.lu@intel.com>
* config.host: Add i386/${host_address}/t-fprules-softfp to
tmake_file for i[34567]86-*-darwin*, x86_64-*-darwin*,
i[34567]86-*-linux*, x86_64-*-linux*.
* configure.ac: Set host_address to 64 or 32 for x86.
* configure: Regenerated.
* Makefile.in (config.status): Also depend on
$(srcdir)/config.host.
* config/i386/32/t-fprules-softfp: New.
* config/i386/32/tf-signs.c: Likewise.
* config/i386/64/sfp-machine.h: New. Moved from gcc.
2008-07-01 H.J. Lu <hongjiu.lu@intel.com>
Uros Bizjak <ubizjak@gmail.com>
* config/i386/32/sfp-machine.h: New.
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