On 18/04/16 15:33, Claudiu Zissulescu wrote:
The double precision floating point assist instructions are not
implementing the reverse double subtract instruction (drsub) found in
the FPX extension, hence, this patch.
OK to apply?
Claudiu
gcc/
2016-04-18 Claudiu Zissulescu <claz...@synopsys.com>
* config/arc/arc.md (cpu_facility): Add fpx variant.
(subdf3): Prohibit use reverse sub when assist operations option
is enabled.
* config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
instructions only when FPX is enabled.
* testsuite/gcc.target/arc/trsub.c: New test.
OK.
