From 655b30bfde9172bd40189a787b85b16e461ef1ef Mon Sep 17 00:00:00 2001 From: Julian Brown Date: Mon, 1 Aug 2011 12:41:30 +0000 Subject: 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 --- libgcc/ChangeLog | 6 ++++++ libgcc/config.host | 3 +++ libgcc/config/arm/bpabi-lib.h | 5 +++++ 3 files changed, 14 insertions(+) (limited to 'libgcc') diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 70118f8..9108e46 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,5 +1,11 @@ 2011-08-01 Julian Brown + * 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. + +2011-08-01 Julian Brown + * Makefile.in (LIBGCC_VER_FIXEDPOINT_GNU_PREFIX): New. (libgcc-std.ver.in): Use above. * fixed-bit.h (LIBGCC2_FIXEDBIT_GNU_PREFIX): Define, if diff --git a/libgcc/config.host b/libgcc/config.host index 11760d0..f7c1b3b 100644 --- a/libgcc/config.host +++ b/libgcc/config.host @@ -264,12 +264,15 @@ arm*-*-freebsd*) arm*-*-netbsdelf*) ;; arm*-*-linux*) # ARM GNU/Linux with ELF + tmake_file="${tmake_file} t-fixedpoint-gnu-prefix" ;; arm*-*-uclinux*) # ARM ucLinux + tmake_file="${tmake_file} t-fixedpoint-gnu-prefix" ;; arm*-*-ecos-elf) ;; arm*-*-eabi* | arm*-*-symbianelf* ) + tmake_file="${tmake_file} t-fixedpoint-gnu-prefix" ;; arm*-*-rtems*) ;; diff --git a/libgcc/config/arm/bpabi-lib.h b/libgcc/config/arm/bpabi-lib.h index 49a28c3..cfa09cf 100644 --- a/libgcc/config/arm/bpabi-lib.h +++ b/libgcc/config/arm/bpabi-lib.h @@ -78,3 +78,8 @@ #ifdef L_floatundisf #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, ul2f) #endif + +/* For ARM bpabi, we only want to use a "__gnu_" prefix for the fixed-point + helper functions - not everything in libgcc - in the interests of + maintaining backward compatibility. */ +#define LIBGCC2_FIXEDBIT_GNU_PREFIX -- cgit v1.1