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2022-10-14middle-end, c++, i386, libgcc: std::bfloat16_t and __bf16 arithmetic supportJakub Jelinek8-0/+558
Here is a complete patch to add std::bfloat16_t support on x86 (AArch64 and ARM left for later). Almost no BFmode optabs are added by the patch, so for binops/unops it extends to SFmode first and then truncates back to BFmode. For {HF,SF,DF,XF,TF}mode -> BFmode conversions libgcc has implementations of all those conversions so that we avoid double rounding, for BFmode -> {DF,XF,TF}mode conversions to avoid growing libgcc too much it emits BFmode -> SFmode conversion first and then converts to the even wider mode, neither step should be imprecise. For BFmode -> HFmode, it first emits a precise BFmode -> SFmode conversion and then SFmode -> HFmode, because neither format is subset or superset of the other, while SFmode is superset of both. expr.cc then contains a -ffast-math optimization of the BF -> SF and SF -> BF conversions if we don't optimize for space (and for the latter if -frounding-math isn't enabled either). For x86, perhaps truncsfbf2 optab could be defined for TARGET_AVX512BF16 but IMNSHO should FAIL if !flag_finite_math || flag_rounding_math || !flag_unsafe_math_optimizations, because I think the insn doesn't raise on sNaNs, hardcodes round to nearest and flushes denormals to zero. By default (unless x86 -fexcess-precision=16) we use float excess precision for BFmode, so truncate only on explicit casts and assignments. The patch introduces a single __bf16 builtin - __builtin_nansf16b, because (__bf16) __builtin_nansf ("") will drop the sNaN into qNaN, and uses f16b suffix instead of bf16 because there would be ambiguity on log vs. logb - __builtin_logbf16 could be either log with bf16 suffix or logb with f16 suffix. In other cases libstdc++ should mostly use __builtin_*f for std::bfloat16_t overloads (we have a problem with std::nextafter though but that one we have also for std::float16_t). 2022-10-14 Jakub Jelinek <jakub@redhat.com> gcc/ * tree-core.h (enum tree_index): Add TI_BFLOAT16_TYPE. * tree.h (bfloat16_type_node): Define. * tree.cc (excess_precision_type): Promote bfloat16_type_mode like float16_type_mode. (build_common_tree_nodes): Initialize bfloat16_type_node if BFmode is supported. * expmed.h (maybe_expand_shift): Declare. * expmed.cc (maybe_expand_shift): No longer static. * expr.cc (convert_mode_scalar): Don't ICE on BF -> HF or HF -> BF conversions. If there is no optab, handle BF -> {DF,XF,TF,HF} conversions as separate BF -> SF -> {DF,XF,TF,HF} conversions, add -ffast-math generic implementation for BF -> SF and SF -> BF conversions. * builtin-types.def (BT_BFLOAT16, BT_FN_BFLOAT16_CONST_STRING): New. * builtins.def (BUILT_IN_NANSF16B): New builtin. * fold-const-call.cc (fold_const_call): Handle CFN_BUILT_IN_NANSF16B. * config/i386/i386.cc (classify_argument): Handle E_BCmode. (ix86_libgcc_floating_mode_supported_p): Also return true for BFmode for -msse2. (ix86_mangle_type): Mangle BFmode as DF16b. (ix86_invalid_conversion, ix86_invalid_unary_op, ix86_invalid_binary_op): Remove. (TARGET_INVALID_CONVERSION, TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Don't redefine. * config/i386/i386-builtins.cc (ix86_bf16_type_node): Remove. (ix86_register_bf16_builtin_type): Use bfloat16_type_node rather than ix86_bf16_type_node, only create it if still NULL. * config/i386/i386-builtin-types.def (BFLOAT16): Likewise. * config/i386/i386.md (cbranchbf4, cstorebf4): New expanders. gcc/c-family/ * c-cppbuiltin.cc (c_cpp_builtins): If bfloat16_type_node, predefine __BFLT16_*__ macros and for C++23 also __STDCPP_BFLOAT16_T__. Predefine bfloat16_type_node related macros for -fbuilding-libgcc. * c-lex.cc (interpret_float): Handle CPP_N_BFLOAT16. gcc/c/ * c-typeck.cc (convert_arguments): Don't promote __bf16 to double. gcc/cp/ * cp-tree.h (extended_float_type_p): Return true for bfloat16_type_node. * typeck.cc (cp_compare_floating_point_conversion_ranks): Set extended{1,2} if mv{1,2} is bfloat16_type_node. Adjust comment. gcc/testsuite/ * lib/target-supports.exp (check_effective_target_bfloat16, check_effective_target_bfloat16_runtime, add_options_for_bfloat16): New. * gcc.dg/torture/bfloat16-basic.c: New test. * gcc.dg/torture/bfloat16-builtin.c: New test. * gcc.dg/torture/bfloat16-builtin-issignaling-1.c: New test. * gcc.dg/torture/bfloat16-complex.c: New test. * gcc.dg/torture/builtin-issignaling-1.c: Allow to be includable from bfloat16-builtin-issignaling-1.c. * gcc.dg/torture/floatn-basic.h: Allow to be includable from bfloat16-basic.c. * gcc.target/i386/vect-bfloat16-typecheck_2.c: Adjust expected diagnostics. * gcc.target/i386/sse2-bfloat16-scalar-typecheck.c: Likewise. * gcc.target/i386/vect-bfloat16-typecheck_1.c: Likewise. * g++.target/i386/bfloat_cpp_typecheck.C: Likewise. libcpp/ * include/cpplib.h (CPP_N_BFLOAT16): Define. * expr.cc (interpret_float_suffix): Handle bf16 and BF16 suffixes for C++. libgcc/ * config/i386/t-softfp (softfp_extensions): Add bfsf. (softfp_truncations): Add tfbf xfbf dfbf sfbf hfbf. (CFLAGS-extendbfsf2.c, CFLAGS-truncsfbf2.c, CFLAGS-truncdfbf2.c, CFLAGS-truncxfbf2.c, CFLAGS-trunctfbf2.c, CFLAGS-trunchfbf2.c): Add -msse2. * config/i386/libgcc-glibc.ver (GCC_13.0.0): Export __extendbfsf2 and __trunc{s,d,x,t,h}fbf2. * config/i386/sfp-machine.h (_FP_NANSIGN_B): Define. * config/i386/64/sfp-machine.h (_FP_NANFRAC_B): Define. * config/i386/32/sfp-machine.h (_FP_NANFRAC_B): Define. * soft-fp/brain.h: New file. * soft-fp/truncsfbf2.c: New file. * soft-fp/truncdfbf2.c: New file. * soft-fp/truncxfbf2.c: New file. * soft-fp/trunctfbf2.c: New file. * soft-fp/trunchfbf2.c: New file. * soft-fp/truncbfhf2.c: New file. * soft-fp/extendbfsf2.c: New file. libiberty/ * cp-demangle.h (D_BUILTIN_TYPE_COUNT): Increment. * cp-demangle.c (cplus_demangle_builtin_types): Add std::bfloat16_t entry. (cplus_demangle_type): Demangle DF16b. * testsuite/demangle-expected (_Z3xxxDF16b): New test.
2022-08-16soft-fp: Update soft-fp from glibcKito Cheng103-345/+545
This patch is updating all soft-fp from glibc, most changes are copyright years update, removing "Contributed by" lines and update URL for license, and changes other than those update are adding conversion function between IEEE half and 32-bit/64-bit integer, those functions are required by RISC-V _Float16 support. libgcc/ChangeLog: * soft-fp/fixhfdi.c: New. * soft-fp/fixhfsi.c: Likewise. * soft-fp/fixunshfdi.c: Likewise. * soft-fp/fixunshfsi.c: Likewise. * soft-fp/floatdihf.c: Likewise. * soft-fp/floatsihf.c: Likewise. * soft-fp/floatundihf.c: Likewise. * soft-fp/floatunsihf.c: Likewise. * soft-fp/adddf3.c: Updating copyright years, removing "Contributed by" lines and update URL for license. * soft-fp/addsf3.c: Likewise. * soft-fp/addtf3.c: Likewise. * soft-fp/divdf3.c: Likewise. * soft-fp/divsf3.c: Likewise. * soft-fp/divtf3.c: Likewise. * soft-fp/double.h: Likewise. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqhf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendhfdf2.c: Likewise. * soft-fp/extendhfsf2.c: Likewise. * soft-fp/extendhftf2.c: Likewise. * soft-fp/extendhfxf2.c: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/fixdfdi.c: Likewise. * soft-fp/fixdfsi.c: Likewise. * soft-fp/fixdfti.c: Likewise. * soft-fp/fixhfti.c: Likewise. * soft-fp/fixsfdi.c: Likewise. * soft-fp/fixsfsi.c: Likewise. * soft-fp/fixsfti.c: Likewise. * soft-fp/fixtfdi.c: Likewise. * soft-fp/fixtfsi.c: Likewise. * soft-fp/fixtfti.c: Likewise. * soft-fp/fixunsdfdi.c: Likewise. * soft-fp/fixunsdfsi.c: Likewise. * soft-fp/fixunsdfti.c: Likewise. * soft-fp/fixunshfti.c: Likewise. * soft-fp/fixunssfdi.c: Likewise. * soft-fp/fixunssfsi.c: Likewise. * soft-fp/fixunssfti.c: Likewise. * soft-fp/fixunstfdi.c: Likewise. * soft-fp/fixunstfsi.c: Likewise. * soft-fp/fixunstfti.c: Likewise. * soft-fp/floatdidf.c: Likewise. * soft-fp/floatdisf.c: Likewise. * soft-fp/floatditf.c: Likewise. * soft-fp/floatsidf.c: Likewise. * soft-fp/floatsisf.c: Likewise. * soft-fp/floatsitf.c: Likewise. * soft-fp/floattidf.c: Likewise. * soft-fp/floattihf.c: Likewise. * soft-fp/floattisf.c: Likewise. * soft-fp/floattitf.c: Likewise. * soft-fp/floatundidf.c: Likewise. * soft-fp/floatundisf.c: Likewise. * soft-fp/floatunditf.c: Likewise. * soft-fp/floatunsidf.c: Likewise. * soft-fp/floatunsisf.c: Likewise. * soft-fp/floatunsitf.c: Likewise. * soft-fp/floatuntidf.c: Likewise. * soft-fp/floatuntihf.c: Likewise. * soft-fp/floatuntisf.c: Likewise. * soft-fp/floatuntitf.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/half.h: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/muldf3.c: Likewise. * soft-fp/mulsf3.c: Likewise. * soft-fp/multf3.c: Likewise. * soft-fp/negdf2.c: Likewise. * soft-fp/negsf2.c: Likewise. * soft-fp/negtf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/subdf3.c: Likewise. * soft-fp/subsf3.c: Likewise. * soft-fp/subtf3.c: Likewise. * soft-fp/truncdfhf2.c: Likewise. * soft-fp/truncdfsf2.c: Likewise. * soft-fp/truncsfhf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfhf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/trunctfxf2.c: Likewise. * soft-fp/truncxfhf2.c: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise.
2021-09-02Update hf soft-fp from glibc.liuhongt6-0/+252
libgcc/ChangeLog * soft-fp/eqhf2.c: New file. * soft-fp/extendhfdf2.c: New file. * soft-fp/extendhfsf2.c: New file. * soft-fp/half.h (FP_CMP_EQ_H): New marco. * soft-fp/truncdfhf2.c: New file * soft-fp/truncsfhf2.c: New file
2021-07-01soft-fp: Update soft-fp from glibcH.J. Lu2-0/+105
This patch is updating soft-fp from glibc: 1. Add __extendhfxf2 to return an IEEE half converted to IEEE extended. 2. Add __truncxfhf2 to truncate IEEE extended into IEEE half. These are needed by x86 _Float16 support. * soft-fp/extendhfxf2.c: New file. * soft-fp/truncxfhf2.c: Likewise.
2019-05-17soft-fp: Update soft-fp from glibcH.J. Lu88-96/+96
This patch is updating all soft-fp from glibc, most changes are copyright years update, and changes other than years update are * soft-fp/extenddftf2.c: Use "_FP_W_TYPE_SIZE < 64" to check if 4_FP_W_TYPEs are used for IEEE quad precision. * soft-fp/extendhftf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfhf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/trunctfxf2.c: Likewise. * config/rs6000/ibm-ldouble.c: Likewise. From-SVN: r271327
2018-11-08Update soft-fp from glibc.Kito Cheng88-122/+238
This patch is updating all soft-fp from glibc, most changes are copyright years update, and changes other than years update are list bellow, this patch has been tested with riscv32-elf(rv32imac), riscv64-elf(rv64imac) and nds32le-elf(v3), didn't introduce new test fail: soft-fp/op-4.h - soft-fp: Use temporary variable in FP_FRAC_SUB_3/FP_FRAC_SUB_4 - ff48ea6787526d7e669af93ce2681b911d39675c soft-fp/op-8.h - soft-fp: Add implementation for 128 bit self-contained - af1d5782c1e3a635fdd13d6688be64de7759857c soft-fp/op-common.h - Add narrowing multiply functions. - 69a01461ee1417578d2ba20aac935828b50f1118 soft-fp/extended.h soft-fp/half.h soft-fp/single.h soft-fp/double.h soft-fp/quad.h - Do not use packed structures in soft-fp. - 049375e2b5fc707436fd5d80337c253beededb2d 2018-11-08 Kito Cheng <kito@andestech.com> * soft-fp/adddf3.c: Update from glibc. * soft-fp/addsf3.c: Likewise. * soft-fp/addtf3.c: Likewise. * soft-fp/divdf3.c: Likewise. * soft-fp/divsf3.c: Likewise. * soft-fp/divtf3.c: Likewise. * soft-fp/double.h: Likewise. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendhftf2.c: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/fixdfdi.c: Likewise. * soft-fp/fixdfsi.c: Likewise. * soft-fp/fixdfti.c: Likewise. * soft-fp/fixhfti.c: Likewise. * soft-fp/fixsfdi.c: Likewise. * soft-fp/fixsfsi.c: Likewise. * soft-fp/fixsfti.c: Likewise. * soft-fp/fixtfdi.c: Likewise. * soft-fp/fixtfsi.c: Likewise. * soft-fp/fixtfti.c: Likewise. * soft-fp/fixunsdfdi.c: Likewise. * soft-fp/fixunsdfsi.c: Likewise. * soft-fp/fixunsdfti.c: Likewise. * soft-fp/fixunshfti.c: Likewise. * soft-fp/fixunssfdi.c: Likewise. * soft-fp/fixunssfsi.c: Likewise. * soft-fp/fixunssfti.c: Likewise. * soft-fp/fixunstfdi.c: Likewise. * soft-fp/fixunstfsi.c: Likewise. * soft-fp/fixunstfti.c: Likewise. * soft-fp/floatdidf.c: Likewise. * soft-fp/floatdisf.c: Likewise. * soft-fp/floatditf.c: Likewise. * soft-fp/floatsidf.c: Likewise. * soft-fp/floatsisf.c: Likewise. * soft-fp/floatsitf.c: Likewise. * soft-fp/floattidf.c: Likewise. * soft-fp/floattihf.c: Likewise. * soft-fp/floattisf.c: Likewise. * soft-fp/floattitf.c: Likewise. * soft-fp/floatundidf.c: Likewise. * soft-fp/floatundisf.c: Likewise. * soft-fp/floatunditf.c: Likewise. * soft-fp/floatunsidf.c: Likewise. * soft-fp/floatunsisf.c: Likewise. * soft-fp/floatunsitf.c: Likewise. * soft-fp/floatuntidf.c: Likewise. * soft-fp/floatuntihf.c: Likewise. * soft-fp/floatuntisf.c: Likewise. * soft-fp/floatuntitf.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/half.h: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/muldf3.c: Likewise. * soft-fp/mulsf3.c: Likewise. * soft-fp/multf3.c: Likewise. * soft-fp/negdf2.c: Likewise. * soft-fp/negsf2.c: Likewise. * soft-fp/negtf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/subdf3.c: Likewise. * soft-fp/subsf3.c: Likewise. * soft-fp/subtf3.c: Likewise. * soft-fp/truncdfsf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfhf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/trunctfxf2.c: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. From-SVN: r265925
2017-01-24op-common.h (_FP_MUL, [...]): Add /* FALLTHRU */ comments.Jakub Jelinek1-1/+6
* soft-fp/op-common.h (_FP_MUL, _FP_FMA, _FP_DIV): Add /* FALLTHRU */ comments. From-SVN: r244884
2016-11-23[Patch libgcc 9/17] Update soft-fp from glibcJames Greenhalgh7-0/+455
libgcc/ * soft-fp/extendhftf2.c: New. * soft-fp/fixhfti.c: Likewise. * soft-fp/fixunshfti.c: Likewise. * soft-fp/floattihf.c: Likewise. * soft-fp/floatuntihf.c: Likewise. * soft-fp/half.h: Likewise. * soft-fp/trunctfhf2.c: Likewise. From-SVN: r242779
2016-08-16Update soft-fp from glibc (PR libgcc/77265).Joseph Myers81-81/+85
This patch updates soft-fp from glibc, bringing in the fix for PR libgcc/77265, XFmode extension to TFmode wrongly turning an infinity into a NaN. A test for that bug is added. Bootstrapped with no regressions on x86_64-pc-linux-gnu. PR libgcc/77265 gcc/testsuite: * gcc.dg/torture/float128-extend-inf.c: New test. libgcc: * soft-fp/adddf3.c: Update from glibc. * soft-fp/addsf3.c: Likewise. * soft-fp/addtf3.c: Likewise. * soft-fp/divdf3.c: Likewise. * soft-fp/divsf3.c: Likewise. * soft-fp/divtf3.c: Likewise. * soft-fp/double.h: Likewise. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/fixdfdi.c: Likewise. * soft-fp/fixdfsi.c: Likewise. * soft-fp/fixdfti.c: Likewise. * soft-fp/fixsfdi.c: Likewise. * soft-fp/fixsfsi.c: Likewise. * soft-fp/fixsfti.c: Likewise. * soft-fp/fixtfdi.c: Likewise. * soft-fp/fixtfsi.c: Likewise. * soft-fp/fixtfti.c: Likewise. * soft-fp/fixunsdfdi.c: Likewise. * soft-fp/fixunsdfsi.c: Likewise. * soft-fp/fixunsdfti.c: Likewise. * soft-fp/fixunssfdi.c: Likewise. * soft-fp/fixunssfsi.c: Likewise. * soft-fp/fixunssfti.c: Likewise. * soft-fp/fixunstfdi.c: Likewise. * soft-fp/fixunstfsi.c: Likewise. * soft-fp/fixunstfti.c: Likewise. * soft-fp/floatdidf.c: Likewise. * soft-fp/floatdisf.c: Likewise. * soft-fp/floatditf.c: Likewise. * soft-fp/floatsidf.c: Likewise. * soft-fp/floatsisf.c: Likewise. * soft-fp/floatsitf.c: Likewise. * soft-fp/floattidf.c: Likewise. * soft-fp/floattisf.c: Likewise. * soft-fp/floattitf.c: Likewise. * soft-fp/floatundidf.c: Likewise. * soft-fp/floatundisf.c: Likewise. * soft-fp/floatunditf.c: Likewise. * soft-fp/floatunsidf.c: Likewise. * soft-fp/floatunsisf.c: Likewise. * soft-fp/floatunsitf.c: Likewise. * soft-fp/floatuntidf.c: Likewise. * soft-fp/floatuntisf.c: Likewise. * soft-fp/floatuntitf.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/muldf3.c: Likewise. * soft-fp/mulsf3.c: Likewise. * soft-fp/multf3.c: Likewise. * soft-fp/negdf2.c: Likewise. * soft-fp/negsf2.c: Likewise. * soft-fp/negtf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/subdf3.c: Likewise. * soft-fp/subsf3.c: Likewise. * soft-fp/subtf3.c: Likewise. * soft-fp/truncdfsf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/trunctfxf2.c: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. From-SVN: r239513
2015-09-28Update soft-fp from glibc.Joseph Myers81-136/+503
This patch updates the soft-fp code in libgcc from glibc. There are no changes here of significance to the use of soft-fp in GCC (and so no testsuite additions); it's simply an update to bring in the latest soft-fp version (which will also hopefully go into Linux 4.4 to replace the 15-year-old copy currently in Linux). Bootstrapped with no regressions on x86_64-pc-linux-gnu. * soft-fp/adddf3.c: Update from glibc. * soft-fp/addsf3.c: Likewise. * soft-fp/addtf3.c: Likewise. * soft-fp/divdf3.c: Likewise. * soft-fp/divsf3.c: Likewise. * soft-fp/divtf3.c: Likewise. * soft-fp/double.h: Likewise. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/fixdfdi.c: Likewise. * soft-fp/fixdfsi.c: Likewise. * soft-fp/fixdfti.c: Likewise. * soft-fp/fixsfdi.c: Likewise. * soft-fp/fixsfsi.c: Likewise. * soft-fp/fixsfti.c: Likewise. * soft-fp/fixtfdi.c: Likewise. * soft-fp/fixtfsi.c: Likewise. * soft-fp/fixtfti.c: Likewise. * soft-fp/fixunsdfdi.c: Likewise. * soft-fp/fixunsdfsi.c: Likewise. * soft-fp/fixunsdfti.c: Likewise. * soft-fp/fixunssfdi.c: Likewise. * soft-fp/fixunssfsi.c: Likewise. * soft-fp/fixunssfti.c: Likewise. * soft-fp/fixunstfdi.c: Likewise. * soft-fp/fixunstfsi.c: Likewise. * soft-fp/fixunstfti.c: Likewise. * soft-fp/floatdidf.c: Likewise. * soft-fp/floatdisf.c: Likewise. * soft-fp/floatditf.c: Likewise. * soft-fp/floatsidf.c: Likewise. * soft-fp/floatsisf.c: Likewise. * soft-fp/floatsitf.c: Likewise. * soft-fp/floattidf.c: Likewise. * soft-fp/floattisf.c: Likewise. * soft-fp/floattitf.c: Likewise. * soft-fp/floatundidf.c: Likewise. * soft-fp/floatundisf.c: Likewise. * soft-fp/floatunditf.c: Likewise. * soft-fp/floatunsidf.c: Likewise. * soft-fp/floatunsisf.c: Likewise. * soft-fp/floatunsitf.c: Likewise. * soft-fp/floatuntidf.c: Likewise. * soft-fp/floatuntisf.c: Likewise. * soft-fp/floatuntitf.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/muldf3.c: Likewise. * soft-fp/mulsf3.c: Likewise. * soft-fp/multf3.c: Likewise. * soft-fp/negdf2.c: Likewise. * soft-fp/negsf2.c: Likewise. * soft-fp/negtf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/subdf3.c: Likewise. * soft-fp/subsf3.c: Likewise. * soft-fp/subtf3.c: Likewise. * soft-fp/truncdfsf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/trunctfxf2.c: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. From-SVN: r228223
2014-10-09Update soft-fp from glibc.Joseph Myers26-1322/+1689
This patch updates libgcc's copy of soft-fp from glibc, adding a testcase for a bug fix this brings in. Bootstrapped with no regressions on x86_64-unknown-linux-gnu. libgcc: * soft-fp/double.h: Update from glibc. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. * config/c6x/eqd.c (__c6xabi_eqd): Update call to FP_CMP_EQ_D. * config/c6x/eqf.c (__c6xabi_eqf): Update call to FP_CMP_EQ_S. * config/c6x/ged.c (__c6xabi_ged): Update call to FP_CMP_D. * config/c6x/gef.c (__c6xabi_gef): Update call to FP_CMP_S. * config/c6x/gtd.c (__c6xabi_gtd): Update call to FP_CMP_D. * config/c6x/gtf.c (__c6xabi_gtf): Update call to FP_CMP_S. * config/c6x/led.c (__c6xabi_led): Update call to FP_CMP_D. * config/c6x/lef.c (__c6xabi_lef): Update call to FP_CMP_S. * config/c6x/ltd.c (__c6xabi_ltd): Update call to FP_CMP_D. * config/c6x/ltf.c (__c6xabi_ltf): Update call to FP_CMP_S. gcc/testsuite: * gcc.dg/torture/float128-extendxf-underflow.c: New test. From-SVN: r216048
2014-02-12float128-mul-underflow.c, [...]: New tests.Joseph Myers81-85/+115
gcc/testsuite: * gcc.dg/torture/float128-mul-underflow.c, gcc.dg/torture/float128-truncdf-underflow.c, gcc.dg/torture/float128-truncsf-underflow.c: New tests. libgcc: * soft-fp/adddf3.c: Update from glibc. * soft-fp/addsf3.c: Likewise. * soft-fp/addtf3.c: Likewise. * soft-fp/divdf3.c: Likewise. * soft-fp/divsf3.c: Likewise. * soft-fp/divtf3.c: Likewise. * soft-fp/double.h: Likewise. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/fixdfdi.c: Likewise. * soft-fp/fixdfsi.c: Likewise. * soft-fp/fixdfti.c: Likewise. * soft-fp/fixsfdi.c: Likewise. * soft-fp/fixsfsi.c: Likewise. * soft-fp/fixsfti.c: Likewise. * soft-fp/fixtfdi.c: Likewise. * soft-fp/fixtfsi.c: Likewise. * soft-fp/fixtfti.c: Likewise. * soft-fp/fixunsdfdi.c: Likewise. * soft-fp/fixunsdfsi.c: Likewise. * soft-fp/fixunsdfti.c: Likewise. * soft-fp/fixunssfdi.c: Likewise. * soft-fp/fixunssfsi.c: Likewise. * soft-fp/fixunssfti.c: Likewise. * soft-fp/fixunstfdi.c: Likewise. * soft-fp/fixunstfsi.c: Likewise. * soft-fp/fixunstfti.c: Likewise. * soft-fp/floatdidf.c: Likewise. * soft-fp/floatdisf.c: Likewise. * soft-fp/floatditf.c: Likewise. * soft-fp/floatsidf.c: Likewise. * soft-fp/floatsisf.c: Likewise. * soft-fp/floatsitf.c: Likewise. * soft-fp/floattidf.c: Likewise. * soft-fp/floattisf.c: Likewise. * soft-fp/floattitf.c: Likewise. * soft-fp/floatundidf.c: Likewise. * soft-fp/floatundisf.c: Likewise. * soft-fp/floatunditf.c: Likewise. * soft-fp/floatunsidf.c: Likewise. * soft-fp/floatunsisf.c: Likewise. * soft-fp/floatunsitf.c: Likewise. * soft-fp/floatuntidf.c: Likewise. * soft-fp/floatuntisf.c: Likewise. * soft-fp/floatuntitf.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/muldf3.c: Likewise. * soft-fp/mulsf3.c: Likewise. * soft-fp/multf3.c: Likewise. * soft-fp/negdf2.c: Likewise. * soft-fp/negsf2.c: Likewise. * soft-fp/negtf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/subdf3.c: Likewise. * soft-fp/subsf3.c: Likewise. * soft-fp/subtf3.c: Likewise. * soft-fp/truncdfsf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/trunctfxf2.c: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. * config/aarch64/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): New macro. * config/arm/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/c6x/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/cris/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/i386/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/ia64/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/lm32/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/mips/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/moxie/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/nds32/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/nios2/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/rs6000/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/score/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/tilegx/sfp-machine32.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/tilegx/sfp-machine64.h (_FP_TININESS_AFTER_ROUNDING): Likewise. * config/tilepro/sfp-machine.h (_FP_TININESS_AFTER_ROUNDING): Likewise. From-SVN: r207742
2013-11-27op-4.h: Update from glibc.Uros Bizjak1-4/+4
* soft-fp/op-4.h: Update from glibc. From-SVN: r205462
2013-11-06float128-cmp-invalid.c, [...]: New tests.Joseph Myers82-3802/+4630
gcc/testsuite: * gcc.dg/torture/float128-cmp-invalid.c, gcc.dg/torture/float128-div-underflow.c, gcc.dg/torture/float128-extend-nan.c, gcc.dg/torture/fp-int-convert-float128-timode-3.c: New tests. libgcc: * soft-fp/README: Update. * soft-fp/adddf3.c: Update from glibc. * soft-fp/addsf3.c: Likewise. * soft-fp/addtf3.c: Likewise. * soft-fp/divdf3.c: Likewise. * soft-fp/divsf3.c: Likewise. * soft-fp/divtf3.c: Likewise. * soft-fp/double.h: Likewise. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/fixdfdi.c: Likewise. * soft-fp/fixdfsi.c: Likewise. * soft-fp/fixdfti.c: Likewise. * soft-fp/fixsfdi.c: Likewise. * soft-fp/fixsfsi.c: Likewise. * soft-fp/fixsfti.c: Likewise. * soft-fp/fixtfdi.c: Likewise. * soft-fp/fixtfsi.c: Likewise. * soft-fp/fixtfti.c: Likewise. * soft-fp/fixunsdfdi.c: Likewise. * soft-fp/fixunsdfsi.c: Likewise. * soft-fp/fixunsdfti.c: Likewise. * soft-fp/fixunssfdi.c: Likewise. * soft-fp/fixunssfsi.c: Likewise. * soft-fp/fixunssfti.c: Likewise. * soft-fp/fixunstfdi.c: Likewise. * soft-fp/fixunstfsi.c: Likewise. * soft-fp/fixunstfti.c: Likewise. * soft-fp/floatdidf.c: Likewise. * soft-fp/floatdisf.c: Likewise. * soft-fp/floatditf.c: Likewise. * soft-fp/floatsidf.c: Likewise. * soft-fp/floatsisf.c: Likewise. * soft-fp/floatsitf.c: Likewise. * soft-fp/floattidf.c: Likewise. * soft-fp/floattisf.c: Likewise. * soft-fp/floattitf.c: Likewise. * soft-fp/floatundidf.c: Likewise. * soft-fp/floatundisf.c: Likewise. * soft-fp/floatunditf.c: Likewise. * soft-fp/floatunsidf.c: Likewise. * soft-fp/floatunsisf.c: Likewise. * soft-fp/floatunsitf.c: Likewise. * soft-fp/floatuntidf.c: Likewise. * soft-fp/floatuntisf.c: Likewise. * soft-fp/floatuntitf.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/muldf3.c: Likewise. * soft-fp/mulsf3.c: Likewise. * soft-fp/multf3.c: Likewise. * soft-fp/negdf2.c: Likewise. * soft-fp/negsf2.c: Likewise. * soft-fp/negtf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/subdf3.c: Likewise. * soft-fp/subsf3.c: Likewise. * soft-fp/subtf3.c: Likewise. * soft-fp/truncdfsf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/trunctfxf2.c: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. From-SVN: r204489
2013-06-21re PR other/53317 (Conversion from __int128 to __float128)Joseph Myers67-120/+164
PR other/53317 gcc/testsuite: * gcc.dg/torture/fp-int-convert-float128-timode-2.c: New test. libgcc: * soft-fp/adddf3.c: Update from glibc. * soft-fp/addsf3.c: Likewise. * soft-fp/addtf3.c: Likewise. * soft-fp/divdf3.c: Likewise. * soft-fp/divsf3.c: Likewise. * soft-fp/divtf3.c: Likewise. * soft-fp/double.h: Likewise. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/fixdfdi.c: Likewise. * soft-fp/fixdfsi.c: Likewise. * soft-fp/fixsfdi.c: Likewise. * soft-fp/fixsfsi.c: Likewise. * soft-fp/fixtfdi.c: Likewise. * soft-fp/fixtfsi.c: Likewise. * soft-fp/fixunsdfdi.c: Likewise. * soft-fp/fixunsdfsi.c: Likewise. * soft-fp/fixunssfdi.c: Likewise. * soft-fp/fixunssfsi.c: Likewise. * soft-fp/fixunstfdi.c: Likewise. * soft-fp/fixunstfsi.c: Likewise. * soft-fp/floatdidf.c: Likewise. * soft-fp/floatdisf.c: Likewise. * soft-fp/floatditf.c: Likewise. * soft-fp/floatsidf.c: Likewise. * soft-fp/floatsisf.c: Likewise. * soft-fp/floatsitf.c: Likewise. * soft-fp/floatundidf.c: Likewise. * soft-fp/floatundisf.c: Likewise. * soft-fp/floatunditf.c: Likewise. * soft-fp/floatunsidf.c: Likewise. * soft-fp/floatunsisf.c: Likewise. * soft-fp/floatunsitf.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/muldf3.c: Likewise. * soft-fp/mulsf3.c: Likewise. * soft-fp/multf3.c: Likewise. * soft-fp/negdf2.c: Likewise. * soft-fp/negsf2.c: Likewise. * soft-fp/negtf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/subdf3.c: Likewise. * soft-fp/subsf3.c: Likewise. * soft-fp/subtf3.c: Likewise. * soft-fp/truncdfsf2.c: Likewise. * soft-fp/trunctfdf2.c: Likewise. * soft-fp/trunctfsf2.c: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. * config/aarch64/sfp-machine.h (_FP_QNANNEGATEDP): Define to 0. * config/arm/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. * config/c6x/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. * config/i386/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. * config/ia64/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. * config/lm32/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. * config/moxie/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. * config/rs6000/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. * config/score/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. * config/tilegx/sfp-machine32.h (_FP_QNANNEGATEDP): Likewise. * config/tilegx/sfp-machine64.h (_FP_QNANNEGATEDP): Likewise. * config/tilepro/sfp-machine.h (_FP_QNANNEGATEDP): Likewise. From-SVN: r200318
2012-11-15soft-fp updated from GLIBC upstream.Marcus Shawcroft2-29/+42
From-SVN: r193540
2012-03-01soft-fp: Imported from glibc upstream.Kai Tietz67-217/+158
* soft-fp: Imported from glibc upstream. From-SVN: r184760
2011-08-05soft-fp: Move to ../libgcc.Rainer Orth82-0/+7815
gcc: * config/soft-fp: Move to ../libgcc. * Makefile.in (SFP_MACHINE): Remove. (libgcc-support): Remove $(SFP_MACHINE) dependency. * config/arm/sfp-machine.h: Move to ../libgcc/config/arm. * config/arm/t-arm-softfp: Move to ../libgcc/config/arm/t-softfp. * config/c6x/sfp-machine.h: Move to ../libgcc/config/c6x. * config/c6x/t-c6x-softfp: Remove. * config/i386/sfp-machine.h: Move to ../libgcc/config/i386. * config/i386/t-fprules-softfp: Move to ../libgcc/config/t-softfp-tf. * config/ia64/sfp-machine.h: Move to ../libgcc/config/ia64. * config/ia64/t-fprules-softfp: Remove. * config/lm32/sfp-machine.h: Move to ../libgcc/config/lm32. * config/lm32/t-fprules-softfp: Remove. * config/moxie/sfp-machine.h: Remove. * config/moxie/t-moxie-softfp: Remove. * config/rs6000/darwin-ldouble-format: Move to ../libgcc/config/rs6000/ibm-ldouble-format. * config/rs6000/darwin-ldouble.c: Move to ../libgcc/config/rs6000/ibm-ldouble.c * config/rs6000/libgcc-ppc-glibc.ver: Move to ../libgcc/config/rs6000. * config/rs6000/libgcc-ppc64.ver: Likewise. * config/rs6000/sfp-machine.h: Likewise. * config/rs6000/t-aix43 (SHLIB_MAPFILES): Remove $(srcdir)/config/rs6000/libgcc-ppc64.ver. (LIB2FUNCS_EXTRA): Remove. (TARGET_LIBGCC2_CFLAGS): Remove. * config/rs6000/t-aix52: Likewise * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Remove $(srcdir)/config/rs6000/darwin-ldouble.c. (SHLIB_MAPFILES): Remove. * config/rs6000/t-darwin64 (LIB2FUNCS_EXTRA): Remove $(srcdir)/config/rs6000/darwin-ldouble.c. * config/rs6000/t-fprules-softfp: Move to ../libgcc/config/t-softfp-sfdf. * config/rs6000/t-freebsd: Move to ../libgcc/config/rs6000. * config/rs6000/t-linux64 (softfp_wrap_start, softfp_wrap_end): Remove. * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Remove $(srcdir)/config/rs6000/darwin-ldouble.c. * config/score/sfp-machine.h: Move to ../libgcc/config/score. * config/score/t-score-softfp: Remove. * config.gcc (arm*-*-linux*): Remove arm/t-arm-softfp, soft-fp/t-softfp from tmake_file. (arm*-*-uclinux*): Likewise. (arm*-*-ecos-elf): Likewise. (arm*-*-eabi*, arm*-*-symbianelf*): Likewise. (arm*-*-rtems*): Likewise. (arm*-*-elf): Likewise. (moxie-*-elf): Remove moxie/t-moxie-softfp, soft-fp/t-softfp from tmake_file. (moxie-*-uclinux*): Likewise. (moxie-*-rtems*): Likewise. (lm32-*-elf*): Remove lm32/t-fprules-softfp, soft-fp/t-softfp from tmake_file. (lm32-*-rtems*): Likewise. (lm32-*-uclinux*): Likewise. (powerpc-*-freebsd*): Remove rs6000/t-freebsd, rs6000/t-fprules-softfp, soft-fp/t-softfp from tmake_file. (powerpc-*-linux*, powerpc64-*-linux*): Remove rs6000/t-fprules-softfp, soft-fp/t-softfp from tmake_file. (score-*-elf): Remove score/t-score-softfp, soft-fp/t-softfp from tmake_file. (tic6x-*-elf): Remove c6x/t-c6x-softfp, soft-fp/t-softfp from tmake_file. (tic6x-*-uclinux): Likewise. (i[34567]86-*-darwin*, x86_64-*-darwin*): Remove i386/t-fprules-softfp, soft-fp/t-softfp from tmake_file. (i[34567]86-*-linux*, x86_64-*-linux*, i[34567]86-*-kfreebsd*-gnu) (x86_64-*-kfreebsd*-gnu, i[34567]86-*-gnu*): Likewise. (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Likewise. (i[34567]86-*-cygwin*, i[34567]86-*-mingw*, x86_64-*-mingw*): Likewise. (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Likewise. libgcc: * config/t-softfp: Remove. * soft-fp: Moved from ../gcc/config. * soft-fp/README: Remove t-softfp reference. * soft-fp/t-softfp: Move to config/t-softfp. (softfp_machine_header): Remove. (softfp_file_list): Remove config subdir. (soft-fp-objects): New variable. ($(soft-fp-objects)): Set INTERNAL_CFLAGS. (LIB2FUNCS_EXTRA): Add to LIB2ADD instead. (SFP_MACHINE, $(SFP_MACHINE)): Remove. * config/t-softfp-excl: New file. * config/t-softfp-sfdf: New file. * config/t-softfp-tf: New file. * config/no-sfp-machine.h: New file. * config/arm/sfp-machine.h: New file. * config/arm/t-softfp: New file. * config/c6x/sfp-machine.h: New file. * config/i386/32/t-fprules-softfp: Rename to ... * config/i386/32/t-softfp: ... this. (tifunctions, LIB2ADD): Remove. (softfp_int_modes): Override. * config/i386/64/t-softfp-compat (tf-functions): Remove config subdir. * config/i386/64/eqtf2.c: Likewise. * config/i386/64/getf2.c: Likewise. * config/i386/64/letf2.c: Likewise. * config/ia64/sft-machine.h: New file. * config/ia64/t-fprules-softfp: Rename to ... * config/ia64/t-softfp: ... this. * config/lm32/sfp-machine.h: New file. * config/moxie/t-moxie-softfp: Remove. * config/rs6000/ibm-ldouble-format: New file. * config/rs6000/ibm-ldouble.c: New file. * config/rs6000/libgcc-ppc-glibc.ver: New file * config/rs6000/libgcc-ppc64.ver: New file * config/rs6000/sfp-machine.h: New file. * config/rs6000/t-freebsd: New file. * config/rs6000/t-ibm-ldouble: New file. * config/rs6000/t-ldbl128: Use $(srcdir) to refer to libgcc-ppc-glibc.ver. * config/rs6000/t-linux64: New file. * config/rs6000/t-ppccomm (LIB2ADD): Add $(srcdir)/config/rs6000/ibm-ldouble.c. * config/rs6000/t-ppccomm-ldbl: New file. * config/score/sfp-machine.h: New file. * config.host (sfp_machine_header): Explain. (arm*-*-linux*): Add t-softfp-sfdf, t-softfp-excl, arm/t-softfp, t-softfp to tmake_file. (arm*-*-uclinux*): Likewise. (arm*-*-ecos-elf): Likewise. (arm*-*-eabi*, arm*-*-symbianelf*): Likewise. (arm*-*-rtems*): Likewise. (arm*-*-elf): Likewise. (ia64*-*-linux*): Replace ia64/t-fprules-softfp by ia64/t-softfp in tmake_file. Add t-softfp-tf, t-softfp-excl, t-softfp to tmake_file. (lm32-*-elf*, lm32-*-rtems*): Add t-softfp-sfdf, t-softfp to tmake_file. (lm32-*-uclinux*): Likewise. (moxie-*-*): Replace moxie/t-moxie-softfp by t-softfp-sfdf, t-softfp-excl, t-softfp. (powerpc-*-darwin*): Add rs6000/t-ibm-ldouble to tmake_file. (powerpc64-*-darwin*): Likewise. (powerpc-*-freebsd*): Add t-softfp-sfdf, t-softfp-excl, t-softfp to tmake_file. (powerpc-*-eabisimaltivec*): Add rs6000/t-ppccomm-ldbl to tmake_file. (powerpc-*-eabisim*): Likewise. (powerpc-*-elf*): Likewise. (powerpc-*-eabialtivec*): Likewise. (powerpc-xilinx-eabi*): Likewise. (powerpc-*-rtems*): Likewise. (powerpc-*-linux*, powerpc64-*-linux*): Add t-softfp-sfdf, t-softfp-excl, t-softfp to tmake_file. (powerpc-wrs-vxworks, powerpc-wrs-vxworksae): Add rs6000/t-ppccomm-ldbl to tmake_file. (powerpcle-*-elf*): Likewise. (powerpcle-*-eabisim*): Likewise. (powerpcle-*-eabi*): Likewise. (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Add rs6000/t-ibm-ldouble to tmake_file. (rs6000-ibm-aix5.1.*, powerpc-ibm-aix5.1.*): Likewise. (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise. (score-*-elf): Add t-softfp-sfdf, t-softfp-excl, t-softfp to tmake_file. (tic6x-*-*): Likewise. (i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-kfreebsd*-gnu, x86_64-*-kfreebsd*-gnu, i[34567]86-*-linux*, x86_64-*-linux*, i[34567]86-*-gnu*, i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*, i[34567]86-*-cygwin*, i[34567]86-*-mingw*, x86_64-*-mingw*, i[34567]86-*-freebsd*, x86_64-*-freebsd*): Add t-softfp-tf, t-softfp to tmake_file. * configure.ac (sfp_machine_header): Provide default if unset. Substitute. Link sfp-machine.h to config/$sfp_machine_header. * configure: Regenerate. From-SVN: r177452