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from f482bf2af86 tree-optimization/102155 - fix LIM fill_always_executed_in [...] new e42d2d2a20f Update hf soft-fp from glibc. new 7cbc870c495 Enable _Float16 type for TARGET_SSE2 and above. new b387e664cfa libgcc: Enable hfmode soft-sf/df/xf/tf extensions and truncations.
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Summary of changes: gcc/config/i386/i386-modes.def | 1 + gcc/config/i386/i386.c | 91 +++++++++++++++++- gcc/config/i386/i386.h | 3 +- gcc/config/i386/i386.md | 118 +++++++++++++++++++++++- gcc/doc/extend.texi | 13 +++ gcc/lto/lto-lang.c | 3 + gcc/testsuite/gcc.target/i386/float16-5.c | 12 +++ gcc/testsuite/gcc.target/i386/sse2-float16-1.c | 8 ++ gcc/testsuite/gcc.target/i386/sse2-float16-2.c | 16 ++++ gcc/testsuite/gcc.target/i386/sse2-float16-3.c | 12 +++ libgcc/config.host | 5 +- libgcc/config/i386/32/sfp-machine.h | 1 + libgcc/config/i386/64/sfp-machine.h | 1 + libgcc/config/i386/64/t-softfp | 1 + libgcc/config/i386/sfp-machine.h | 1 + libgcc/config/i386/t-softfp | 5 + libgcc/soft-fp/{fixunshfti.c => eqhf2.c} | 16 ++-- libgcc/soft-fp/{extendhfxf2.c => extendhfdf2.c} | 20 ++-- libgcc/soft-fp/{extendhfxf2.c => extendhfsf2.c} | 20 ++-- libgcc/soft-fp/half.h | 1 + libgcc/soft-fp/{truncxfhf2.c => truncdfhf2.c} | 16 ++-- libgcc/soft-fp/{truncxfhf2.c => truncsfhf2.c} | 16 ++-- 22 files changed, 322 insertions(+), 58 deletions(-) create mode 100644 gcc/testsuite/gcc.target/i386/float16-5.c create mode 100644 gcc/testsuite/gcc.target/i386/sse2-float16-1.c create mode 100644 gcc/testsuite/gcc.target/i386/sse2-float16-2.c create mode 100644 gcc/testsuite/gcc.target/i386/sse2-float16-3.c create mode 100644 libgcc/config/i386/64/t-softfp copy libgcc/soft-fp/{fixunshfti.c => eqhf2.c} (85%) copy libgcc/soft-fp/{extendhfxf2.c => extendhfdf2.c} (85%) copy libgcc/soft-fp/{extendhfxf2.c => extendhfsf2.c} (85%) copy libgcc/soft-fp/{truncxfhf2.c => truncdfhf2.c} (86%) copy libgcc/soft-fp/{truncxfhf2.c => truncsfhf2.c} (86%)