On Wed, Jul 21, 2021 at 9:43 AM liuhongt <hongtao....@intel.com> wrote: > > gcc/ChangeLog: > > * optabs-query.c (get_best_extraction_insn): Use word_mode for > HF field. > > libgcc/ChangeLog: > > * config/i386/32/sfp-machine.h (_FP_NANFRAC_H): New macro. > * config/i386/64/sfp-machine.h (_FP_NANFRAC_H): Ditto. > * config/i386/sfp-machine.h (_FP_NANSIGN_H): Ditto. > * config/i386/t-softfp: Add hf soft-fp. > * config.host: Add i386/64/t-softfp. > * config/i386/64/t-softfp: New file.
OK for the x86 part, but please take care of newline at the end of files to avoid: > \ No newline at end of file Thanks, Uros. > --- > gcc/optabs-query.c | 10 +++++++++- > 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 +++++ > 7 files changed, 19 insertions(+), 5 deletions(-) > create mode 100644 libgcc/config/i386/64/t-softfp > > diff --git a/gcc/optabs-query.c b/gcc/optabs-query.c > index 05ee5f517da..0438e451474 100644 > --- a/gcc/optabs-query.c > +++ b/gcc/optabs-query.c > @@ -205,7 +205,15 @@ get_best_extraction_insn (extraction_insn *insn, > machine_mode field_mode) > { > opt_scalar_int_mode mode_iter; > - FOR_EACH_MODE_FROM (mode_iter, smallest_int_mode_for_size (struct_bits)) > + scalar_int_mode smallest_int_mode; > + /* FIXME: validate_subreg only allows (subreg:WORD_MODE (reg:HF) 0). */ > + if (FLOAT_MODE_P (field_mode) > + && known_eq (GET_MODE_SIZE (field_mode), 2)) > + smallest_int_mode = word_mode; > + else > + smallest_int_mode = smallest_int_mode_for_size (struct_bits); > + > + FOR_EACH_MODE_FROM (mode_iter, smallest_int_mode) > { > scalar_int_mode mode = mode_iter.require (); > if (get_extraction_insn (insn, pattern, type, mode)) > diff --git a/libgcc/config.host b/libgcc/config.host > index 50f00062232..96da9ef1cce 100644 > --- a/libgcc/config.host > +++ b/libgcc/config.host > @@ -1540,10 +1540,7 @@ i[34567]86-*-elfiamcu | i[34567]86-*-rtems*) > ;; > i[34567]86-*-* | x86_64-*-*) > tmake_file="${tmake_file} t-softfp-tf" > - if test "${host_address}" = 32; then > - tmake_file="${tmake_file} i386/${host_address}/t-softfp" > - fi > - tmake_file="${tmake_file} i386/t-softfp t-softfp" > + tmake_file="${tmake_file} i386/${host_address}/t-softfp i386/t-softfp > t-softfp" > ;; > esac > > diff --git a/libgcc/config/i386/32/sfp-machine.h > b/libgcc/config/i386/32/sfp-machine.h > index 1fa282d7afe..e24cbc8d180 100644 > --- a/libgcc/config/i386/32/sfp-machine.h > +++ b/libgcc/config/i386/32/sfp-machine.h > @@ -86,6 +86,7 @@ > #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) > #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) > > +#define _FP_NANFRAC_H _FP_QNANBIT_H > #define _FP_NANFRAC_S _FP_QNANBIT_S > #define _FP_NANFRAC_D _FP_QNANBIT_D, 0 > /* Even if XFmode is 12byte, we have to pad it to > diff --git a/libgcc/config/i386/64/sfp-machine.h > b/libgcc/config/i386/64/sfp-machine.h > index 1ff94c23ea4..e1c616699bb 100644 > --- a/libgcc/config/i386/64/sfp-machine.h > +++ b/libgcc/config/i386/64/sfp-machine.h > @@ -13,6 +13,7 @@ typedef unsigned int UTItype __attribute__ ((mode (TI))); > > #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) > > +#define _FP_NANFRAC_H _FP_QNANBIT_H > #define _FP_NANFRAC_S _FP_QNANBIT_S > #define _FP_NANFRAC_D _FP_QNANBIT_D > #define _FP_NANFRAC_E _FP_QNANBIT_E, 0 > diff --git a/libgcc/config/i386/64/t-softfp b/libgcc/config/i386/64/t-softfp > new file mode 100644 > index 00000000000..d812bb120bd > --- /dev/null > +++ b/libgcc/config/i386/64/t-softfp > @@ -0,0 +1 @@ > +softfp_extras := fixhfti fixunshfti floattihf floatuntihf > \ No newline at end of file > diff --git a/libgcc/config/i386/sfp-machine.h > b/libgcc/config/i386/sfp-machine.h > index 8319f0550bc..f15d29d3755 100644 > --- a/libgcc/config/i386/sfp-machine.h > +++ b/libgcc/config/i386/sfp-machine.h > @@ -17,6 +17,7 @@ typedef int __gcc_CMPtype __attribute__ ((mode > (__libgcc_cmp_return__))); > #define _FP_KEEPNANFRACP 1 > #define _FP_QNANNEGATEDP 0 > > +#define _FP_NANSIGN_H 1 > #define _FP_NANSIGN_S 1 > #define _FP_NANSIGN_D 1 > #define _FP_NANSIGN_E 1 > diff --git a/libgcc/config/i386/t-softfp b/libgcc/config/i386/t-softfp > index 685d9cf8502..4ac214eb0ce 100644 > --- a/libgcc/config/i386/t-softfp > +++ b/libgcc/config/i386/t-softfp > @@ -1 +1,6 @@ > LIB2ADD += $(srcdir)/config/i386/sfp-exceptions.c > + > +softfp_extensions := hfsf hfdf hftf hfxf sfdf sftf dftf xftf > +softfp_truncations := tfhf xfhf dfhf sfhf tfsf dfsf tfdf tfxf > + > +softfp_extras += eqhf2 > \ No newline at end of file > -- > 2.18.1 >