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| author | sandra <sandra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-06-18 12:24:10 +0000 |
|---|---|---|
| committer | sandra <sandra@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-06-18 12:24:10 +0000 |
| commit | 9b8516be42c7f9ea5476bff3f1138acf9b67df24 (patch) | |
| tree | c59b4303d74346dd274c9504a6302946ba670574 /gcc/config/arm/arm-modes.def | |
| parent | ab60f4744c30010543431a65dd47d34870f9bb43 (diff) | |
| download | gcc-9b8516be42c7f9ea5476bff3f1138acf9b67df24.tar.gz | |
2009-06-18 Sandra Loosemore <sandra@codesourcery.com>
gcc/
* doc/extend.texi (Half-Precision): New section.
* doc/invoke.texi (Option Summary): List -mfp16-format.
(ARM Options): List neon-fp16 as -mfpu value. Document -mfp16-format.
* config/arm/arm.opt (mfp16-format=): New.
* config/arm/arm.c: Include intl.h.
(TARGET_INVALID_PARAMETER_TYPE): Redefine.
(TARGET_INVALID_RETURN_TYPE): Redefine.
(TARGET_PROMOTED_TYPE): Redefine.
(TARGET_CONVERT_TO_TYPE): Redefine.
(arm_fp16_format): Define.
(all_fpus): Add entry for neon-fp16.
(fp_model_for_fpu): Likewise.
(struct fp16_format): Declare.
(all_fp16_formats): Define.
(arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
functions.
(arm_override_options): Set arm_fp16_format. Call sorry for fp16
and no ldrh.
(arm_legitimate_index_p): Treat HFmode like HImode.
(thumb1_legitimate_address_p): Make it recognize HFmode constants.
(coproc_secondary_reload_class): Special-case HFmode.
(arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
(arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
(arm_init_fp16_builtins): New.
(arm_init_builtins): Call it.
(arm_invalid_parameter_type): New.
(arm_invalid_return_type): New.
(arm_promoted_type): New.
(arm_convert_to_type).
(arm_file_start): Deal with neon-fp16 as fpu_name. Emit tag for fp16
format.
(arm_emit_fp16_const): New function.
(arm_mangle_type): Mangle __fp16 as "Dh".
* config/arm/arm.h (TARGET_VFPD32): Make it know about
FPUTYPE_NEON_FP16.
(TARGET_NEON_FP16): New.
(TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
(enum fputype): Add FPUTYPE_NEON_FP16.
(enum arm_fp16_format_type): Declare.
(arm_fp16_format): Declare.
(LARGEST_EXPONENT_IS_NORMAL): Define.
* config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
* config/arm/arm-modes.def (HFmode): Define.
* config/arm/vfp.md: (*movhf_vfp): New.
(extendhfsf2): New.
(truncsfhf2): New.
* config/arm/arm.md: (fpu): Add neon_fp16.
(floatsihf2, floatdihf2): New.
(fix_trunchfsi2, fix_trunchfdi2): New.
(truncdfhf2): New.
(extendhfdf2): New.
(movhf): New.
(*arm32_movhf): New.
(*thumb1_movhf): New.
(consttable_2): Add check for HFmode constants.
(consttable_4): Handle HFmode constants.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@148654 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/arm/arm-modes.def')
| -rw-r--r-- | gcc/config/arm/arm-modes.def | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/config/arm/arm-modes.def b/gcc/config/arm/arm-modes.def index 73b5b4d3d0d..813ce8ec142 100644 --- a/gcc/config/arm/arm-modes.def +++ b/gcc/config/arm/arm-modes.def @@ -25,6 +25,11 @@ FIXME What format is this? */ FLOAT_MODE (XF, 12, 0); +/* Half-precision floating point */ +FLOAT_MODE (HF, 2, 0); +ADJUST_FLOAT_FORMAT (HF, ((arm_fp16_format == ARM_FP16_FORMAT_ALTERNATIVE) + ? &arm_half_format : &ieee_half_format)); + /* CCFPEmode should be used with floating inequalities, CCFPmode should be used with floating equalities. CC_NOOVmode should be used with SImode integer equalities. |