Hi James,
On 16 November 2016 at 15:15, Kyrill Tkachov <kyrylo.tkac...@foss.arm.com> wrote: > > On 11/11/16 15:42, James Greenhalgh wrote: >> >> Hi, >> >> Finally, having added support for single-step DFmode to HFmode >> conversions, >> this patch adds support for _Float16 to the ARM back-end. >> >> That means making sure that only __fp16 promotes and adding similar hooks >> to >> those used in the AArch64 port giving the excess precision rules, and >> marking HFmode as supported in libgcc. >> >> Bootstrapped on an ARMv8-A machine, and crosstested with no issues. >> >> OK? > > > This looks ok to me once the prerequisites are approved. > > Thanks, > Kyrill > > >> Thanks, >> James >> >> --- >> gcc/ >> >> 2016-11-09 James Greenhalgh <james.greenha...@arm.com> >> >> PR target/63250 >> * config/arm/arm-builtins.c (arm_simd_floatHF_type_node): Rename >> to... >> (arm_fp16_type_node): ...This, make visibile. >> (arm_simd_builtin_std_type): Rename arm_simd_floatHF_type_node to >> arm_fp16_type_node. >> (arm_init_simd_builtin_types): Likewise. >> (arm_init_fp16_builtins): Likewise. >> * config/arm/arm.c (arm_excess_precision): New. >> (arm_floatn_mode): Likewise. >> (TARGET_C_EXCESS_PRECISION): Likewise. >> (TARGET_FLOATN_MODE): Likewise. >> (arm_promoted_type): Only promote arm_fp16_type_node. >> * config/arm/arm.h (arm_fp16_type_node): Declare. >> >> gcc/testsuite/ >> >> 2016-11-09 James Greenhalgh <james.greenha...@arm.com> >> >> * lib/target-supports.exp (add_options_for_float16): Add >> -mfp16-format=ieee when testign arm*-*-*. >> > I've noticed that after this patch (r242784), gcc.dg/torture/float16-basic.c fail on armeb* Christophe
