configure.ac (fixed-point): Add ARM support.
authorJulian Brown <julian@codesourcery.com>
Mon, 1 Aug 2011 12:41:30 +0000 (12:41 +0000)
committerJulian Brown <jules@gcc.gnu.org>
Mon, 1 Aug 2011 12:41:30 +0000 (12:41 +0000)
commit655b30bfde9172bd40189a787b85b16e461ef1ef
tree42de6b523b06d8fd9304883974cdc19b9dcf95b2
parent3d6c3bd710cae34a0a4e7e69061f42fe19c442cb
configure.ac (fixed-point): Add ARM support.

gcc/
* configure.ac (fixed-point): Add ARM support.
* configure: Regenerate.
* config/arm/arm.c (arm_fixed_mode_set): New struct.
(arm_set_fixed_optab_libfunc): New.
(arm_set_fixed_conv_libfunc): New.
(arm_init_libfuncs): Initialise fixed-point helper libfuncs with
ARM-specific names.
(aapcs_libcall_value): Return sub-word-size fixed-point libcall
return values in SImode.
(arm_return_in_msb): Return fixed-point types in the msb.
(arm_pad_reg_upwards, arm_pad_arg_upwards): Pad fixed-point types
upwards.
(arm_scalar_mode_supported_p): Support fixed-point modes.
(arm_vector_mode_supported_p): Support vector fixed-point modes.
* config/arm/arm.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE)
(LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE)
(SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE)
(LONG_LONG_ACCUM_TYPE_SIZE, MAX_FIXED_MODE_SIZE): Define.
* config/arm/iterators.md (FIXED, ADDSUB, UQADDSUB, QADDSUB, QMUL):
New mode iterators.
(qaddsub_suf): New mode attribute.
* config/arm/arm-modes.def (FRACT, UFRACT, ACCUM, UACCUM): Declare
vector modes.
* config/arm/predicates.md (sat_shift_operator): New predicate.
* config/arm/arm-fixed.md: New.
* config/arm/arm.md: Include arm-fixed.md.
* config/arm/t-arm (MD_INCLUDES): Add arm-fixed.md.

libgcc/
* config.host (arm*-*-linux*, arm*-*-uclinux*, arm*-*-eabi*)
(arm*-*-symbianelf*): Add t-fixedpoint-gnu-prefix makefile fragment.
* config/arm/bpabi-lib.h (LIBGCC2_FIXEDBIT_GNU_PREFIX): Define.

gcc/testsuite/
* gcc.target/arm/fixed-point-exec.c: New test.

From-SVN: r177025
16 files changed:
gcc/ChangeLog
gcc/config/arm/arm-fixed.md [new file with mode: 0644]
gcc/config/arm/arm-modes.def
gcc/config/arm/arm.c
gcc/config/arm/arm.h
gcc/config/arm/arm.md
gcc/config/arm/iterators.md
gcc/config/arm/predicates.md
gcc/config/arm/t-arm
gcc/configure
gcc/configure.ac
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.target/arm/fixed-point-exec.c [new file with mode: 0644]
libgcc/ChangeLog
libgcc/config.host
libgcc/config/arm/bpabi-lib.h