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from a2c4ae994a5 Merge branch 'master' into devel/sphinx adds 2b403297b11 driver: fix environ corruption after putenv() [PR106624] adds 9594e04e4e2 Stop backwards thread discovery when leaving a loop adds e2302610739 soft-fp: Update soft-fp from glibc adds 27d68a60783 RISC-V: Support _Float16 type. adds bd159a7660b RISC-V: Support zfh and zfhmin extension new 9580ab573dd docs: remove link to www.bullfreeware.com from install new 87e8197e401 Merge branch 'master' into devel/sphinx

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Summary of changes: gcc/common/config/riscv/riscv-common.cc | 8 + gcc/config/riscv/riscv-builtins.cc | 24 +++ gcc/config/riscv/riscv-modes.def | 1 + gcc/config/riscv/riscv-opts.h | 6 + gcc/config/riscv/riscv.cc | 202 +++++++++++++++++++-- gcc/config/riscv/riscv.md | 85 ++++++++- gcc/config/riscv/riscv.opt | 3 + gcc/doc/install.texi | 4 - gcc/gcc.cc | 2 +- gcc/testsuite/g++.target/riscv/_Float16.C | 18 ++ gcc/testsuite/gcc.target/riscv/_Float16-soft-1.c | 9 + gcc/testsuite/gcc.target/riscv/_Float16-soft-2.c | 13 ++ gcc/testsuite/gcc.target/riscv/_Float16-soft-3.c | 12 ++ gcc/testsuite/gcc.target/riscv/_Float16-soft-4.c | 12 ++ gcc/testsuite/gcc.target/riscv/_Float16-zfh-1.c | 8 + gcc/testsuite/gcc.target/riscv/_Float16-zfh-2.c | 8 + gcc/testsuite/gcc.target/riscv/_Float16-zfh-3.c | 8 + gcc/testsuite/gcc.target/riscv/_Float16-zfhmin-1.c | 9 + gcc/testsuite/gcc.target/riscv/_Float16-zfhmin-2.c | 9 + gcc/testsuite/gcc.target/riscv/_Float16-zfhmin-3.c | 9 + gcc/testsuite/gcc.target/riscv/_Float16.c | 19 ++ gcc/testsuite/gcc.target/riscv/arch-16.c | 5 + .../testsuite/gcc.target/riscv/arch-17.c | 8 +- .../gcc.target/riscv/{predef-10.c => predef-21.c} | 24 ++- .../gcc.target/riscv/{predef-10.c => predef-22.c} | 24 ++- gcc/tree-ssa-threadbackward.cc | 6 + libgcc/config/riscv/sfp-machine.h | 3 + libgcc/config/riscv/t-softfp32 | 5 + libgcc/config/riscv/t-softfp64 | 1 + libgcc/soft-fp/adddf3.c | 6 +- libgcc/soft-fp/addsf3.c | 6 +- libgcc/soft-fp/addtf3.c | 6 +- libgcc/soft-fp/divdf3.c | 6 +- libgcc/soft-fp/divsf3.c | 6 +- libgcc/soft-fp/divtf3.c | 6 +- libgcc/soft-fp/double.h | 8 +- libgcc/soft-fp/eqdf2.c | 6 +- libgcc/soft-fp/eqhf2.c | 2 +- libgcc/soft-fp/eqsf2.c | 6 +- libgcc/soft-fp/eqtf2.c | 6 +- libgcc/soft-fp/extenddftf2.c | 6 +- libgcc/soft-fp/extended.h | 5 +- libgcc/soft-fp/extendhfdf2.c | 2 +- libgcc/soft-fp/extendhfsf2.c | 2 +- libgcc/soft-fp/extendhftf2.c | 4 +- libgcc/soft-fp/extendhfxf2.c | 2 +- libgcc/soft-fp/extendsfdf2.c | 6 +- libgcc/soft-fp/extendsftf2.c | 6 +- libgcc/soft-fp/extendxftf2.c | 5 +- libgcc/soft-fp/fixdfdi.c | 6 +- libgcc/soft-fp/fixdfsi.c | 6 +- libgcc/soft-fp/fixdfti.c | 5 +- libgcc/soft-fp/{fixhfti.c => fixhfdi.c} | 12 +- libgcc/soft-fp/{fixhfti.c => fixhfsi.c} | 12 +- libgcc/soft-fp/fixhfti.c | 4 +- libgcc/soft-fp/fixsfdi.c | 6 +- libgcc/soft-fp/fixsfsi.c | 6 +- libgcc/soft-fp/fixsfti.c | 5 +- libgcc/soft-fp/fixtfdi.c | 6 +- libgcc/soft-fp/fixtfsi.c | 6 +- libgcc/soft-fp/fixtfti.c | 5 +- libgcc/soft-fp/fixunsdfdi.c | 6 +- libgcc/soft-fp/fixunsdfsi.c | 6 +- libgcc/soft-fp/fixunsdfti.c | 5 +- libgcc/soft-fp/{fixhfti.c => fixunshfdi.c} | 12 +- libgcc/soft-fp/{fixhfti.c => fixunshfsi.c} | 12 +- libgcc/soft-fp/fixunshfti.c | 4 +- libgcc/soft-fp/fixunssfdi.c | 6 +- libgcc/soft-fp/fixunssfsi.c | 6 +- libgcc/soft-fp/fixunssfti.c | 5 +- libgcc/soft-fp/fixunstfdi.c | 6 +- libgcc/soft-fp/fixunstfsi.c | 6 +- libgcc/soft-fp/fixunstfti.c | 5 +- libgcc/soft-fp/floatdidf.c | 6 +- libgcc/soft-fp/{floattihf.c => floatdihf.c} | 8 +- libgcc/soft-fp/floatdisf.c | 6 +- libgcc/soft-fp/floatditf.c | 6 +- libgcc/soft-fp/floatsidf.c | 6 +- libgcc/soft-fp/{floattihf.c => floatsihf.c} | 8 +- libgcc/soft-fp/floatsisf.c | 6 +- libgcc/soft-fp/floatsitf.c | 6 +- libgcc/soft-fp/floattidf.c | 5 +- libgcc/soft-fp/floattihf.c | 4 +- libgcc/soft-fp/floattisf.c | 5 +- libgcc/soft-fp/floattitf.c | 5 +- libgcc/soft-fp/floatundidf.c | 6 +- libgcc/soft-fp/{floattihf.c => floatundihf.c} | 8 +- libgcc/soft-fp/floatundisf.c | 6 +- libgcc/soft-fp/floatunditf.c | 6 +- libgcc/soft-fp/floatunsidf.c | 6 +- libgcc/soft-fp/{floattihf.c => floatunsihf.c} | 8 +- libgcc/soft-fp/floatunsisf.c | 6 +- libgcc/soft-fp/floatunsitf.c | 6 +- libgcc/soft-fp/floatuntidf.c | 5 +- libgcc/soft-fp/floatuntihf.c | 4 +- libgcc/soft-fp/floatuntisf.c | 5 +- libgcc/soft-fp/floatuntitf.c | 5 +- libgcc/soft-fp/gedf2.c | 6 +- libgcc/soft-fp/gesf2.c | 6 +- libgcc/soft-fp/getf2.c | 6 +- libgcc/soft-fp/half.h | 7 +- libgcc/soft-fp/ledf2.c | 6 +- libgcc/soft-fp/lesf2.c | 6 +- libgcc/soft-fp/letf2.c | 6 +- libgcc/soft-fp/muldf3.c | 6 +- libgcc/soft-fp/mulsf3.c | 6 +- libgcc/soft-fp/multf3.c | 6 +- libgcc/soft-fp/negdf2.c | 6 +- libgcc/soft-fp/negsf2.c | 6 +- libgcc/soft-fp/negtf2.c | 6 +- libgcc/soft-fp/op-1.h | 8 +- libgcc/soft-fp/op-2.h | 8 +- libgcc/soft-fp/op-4.h | 8 +- libgcc/soft-fp/op-8.h | 7 +- libgcc/soft-fp/op-common.h | 8 +- libgcc/soft-fp/quad.h | 8 +- libgcc/soft-fp/single.h | 8 +- libgcc/soft-fp/soft-fp.h | 8 +- libgcc/soft-fp/subdf3.c | 6 +- libgcc/soft-fp/subsf3.c | 6 +- libgcc/soft-fp/subtf3.c | 6 +- libgcc/soft-fp/truncdfhf2.c | 2 +- libgcc/soft-fp/truncdfsf2.c | 6 +- libgcc/soft-fp/truncsfhf2.c | 2 +- libgcc/soft-fp/trunctfdf2.c | 6 +- libgcc/soft-fp/trunctfhf2.c | 4 +- libgcc/soft-fp/trunctfsf2.c | 6 +- libgcc/soft-fp/trunctfxf2.c | 5 +- libgcc/soft-fp/truncxfhf2.c | 2 +- libgcc/soft-fp/unorddf2.c | 5 +- libgcc/soft-fp/unordsf2.c | 5 +- libgcc/soft-fp/unordtf2.c | 5 +- 132 files changed, 730 insertions(+), 425 deletions(-) create mode 100644 gcc/testsuite/g++.target/riscv/_Float16.C create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-soft-1.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-soft-2.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-soft-3.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-soft-4.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-zfh-1.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-zfh-2.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-zfh-3.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-zfhmin-1.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-zfhmin-2.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16-zfhmin-3.c create mode 100644 gcc/testsuite/gcc.target/riscv/_Float16.c create mode 100644 gcc/testsuite/gcc.target/riscv/arch-16.c copy libgcc/config/rs6000/t-darwin-ehs => gcc/testsuite/gcc.target/riscv/arch-17.c (51%) copy gcc/testsuite/gcc.target/riscv/{predef-10.c => predef-21.c} (53%) copy gcc/testsuite/gcc.target/riscv/{predef-10.c => predef-22.c} (53%) copy libgcc/soft-fp/{fixhfti.c => fixhfdi.c} (89%) copy libgcc/soft-fp/{fixhfti.c => fixhfsi.c} (89%) copy libgcc/soft-fp/{fixhfti.c => fixunshfdi.c} (89%) copy libgcc/soft-fp/{fixhfti.c => fixunshfsi.c} (89%) copy libgcc/soft-fp/{floattihf.c => floatdihf.c} (89%) copy libgcc/soft-fp/{floattihf.c => floatsihf.c} (89%) copy libgcc/soft-fp/{floattihf.c => floatundihf.c} (89%) copy libgcc/soft-fp/{floattihf.c => floatunsihf.c} (89%)