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re PR target/50980 (arm-rtems multilib not matching for -mfpu=vfp -mfloat-abi=soft) 

2011-11-04	Thomas Doerfler <thomas.doerfler@embedded-brains.de>

	PR target/50980
	* config/arm/rtems-elf.h, config/arm/t-rtems: Add optional
	support for VFP floating point model.

From-SVN: r180959
This commit is contained in:
Thomas Doerfler 2011-11-04 15:22:06 +00:00 committed by Joel Sherrill
parent 288f28c87e
commit 7959812782
3 changed files with 45 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-11-04 Thomas Doerfler <thomas.doerfler@embedded-brains.de>
PR target/50989
* config/arm/rtems-elf.h, config/arm/t-rtems: Add optional
support for VFP floating point model.
2011-11-04 Tristan Gingold <gingold@adacore.com>
* config/alpha/vms.h (ASM_OUTPUT_DEF): Do not switch section.

2
gcc/config/arm/rtems-elf.h
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@ -35,7 +35,7 @@
*/
#undef SUBTARGET_EXTRA_ASM_SPEC
#define SUBTARGET_EXTRA_ASM_SPEC "\
%{!mfloat-abi=hard: %{!mfloat-abi=soft:-mfpu=softfpa}}"
%{!mfloat-abi=hard: %{!mfpu=vfp: %{!mfloat-abi=soft:-mfpu=softfpa}}}"
/*
* The default includes --start-group and --end-group which conflicts

41
gcc/config/arm/t-rtems
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@ -5,6 +5,41 @@ MULTILIB_DIRNAMES = arm thumb
MULTILIB_EXCEPTIONS =
MULTILIB_MATCHES = marm=mno-thumb
MULTILIB_OPTIONS += mfloat-abi=soft/mfloat-abi=hard
MULTILIB_DIRNAMES += soft fpu
MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard*
MULTILIB_OPTIONS += mfloat-abi=hard/mfloat-abi=softfp
MULTILIB_DIRNAMES += fpu softfp
MULTILIB_EXCEPTIONS += *mthumb*/*mfloat-abi=hard* *mthumb*/*mfloat-abi=softfp*
MULTILIB_MATCHES =
MULTILIB_OPTIONS += mfpu=vfp
MULTILIB_DIRNAMES += vfp
MULTILIB_EXCEPTIONS += *mfloat-abi=hard*/*mfpu=vfp* *marm*/*mfloat-abi=softfp*/*mfpu=fpa*
MULTILIB_EXCLUSIONS += !mthumb/mfloat-abi=softfp/!mfpu=vfp
# default float model is fpa, so don't create a explicit copy of it
MULTILIB_EXCEPTIONS += *marm*/*mfpa*
# permutations of the options which are useful (+) or make no sense (-),
# defaults are in brackets:
# + (arm/soft/fpa)
# + (arm/soft)/vfp
# - (arm)/softfp(/fpa)
# + (arm)/softfp/vfp
# + (arm)/float-abi=hard(/fpa)
# - (arm)/float-abi=hard/vfp
# + thumb/(soft/fpa)
# + thumb/(soft/)vfp
# - thumb/softfp/fpa
# - thumb/softfp/vfp
# - thumb/float-abi=hard/fpa
# - thumb/float-abi=hard/vfp
# subdirs to be used for multilibs and their respective options:
#/thumb/vfp -> thumb/soft/vfp
#/thumb/fpa -> thumb/soft/fpa
#/thumb -> thumb/soft/fpa
#/vfp -> arm/soft/vfp
#/softfp/vfp -> arm/softfp/cfp
#/fpu/fpa -> arm/hard/fpa
#/fpu -> arm/hard/fpa
#/fpa -> arm/soft/fpa
#. -> arm/soft/fpa