On Wed, Oct 29, 2014 at 10:20 AM, Jiong Wang <jiong.w...@arm.com> wrote: > On 26/08/14 13:36, Richard Earnshaw wrote: > >> On 29/07/14 15:49, Jiong Wang wrote: >>> >>> test done >>> === >>> no regression on the full toolchain test on arm-none-eabi. >>> >>> >>> ok to install? >> >> Hmm, I think this is wrong for DF mode. The principle the patch works >> on is by tying the output to the value containing the sign bit, and then >> copying the rest of the other value into that value. However, for DF >> mode it only copies 31 of the 63 bits needed; the least significant 32 >> bits of the mantissa are not copied over. >> >> R. > > > updated the patch. fixed the DF mode bug. > > no regression on arm-none-eabi multi-lib test. > > ok to trunk? > > gcc/ > * config/arm/arm.md (copysignsf3): New define_expand for SImode.
New pattern. > (copysigndf3): New define_expand for DImode. Likewise. Ok for trunk if no regressions. Sorry about the slow review. Ramana > > gcc/testsuite/ > * gcc.target/arm/copysign_softfloat_1.c: New copysign/copysignf testcase > for soft-float.
