Gentle ping...
Jiufu Guo via Gcc-patches <gcc-patches@gcc.gnu.org> writes: > Hi, > > I would ping this patch for stage1: > https://gcc.gnu.org/pipermail/gcc-patches/2023-January/609504.html > > BR, > Jeff (Jiufu) > > Jiufu Guo via Gcc-patches <gcc-patches@gcc.gnu.org> writes: > >> Hi, >> >> Gently Ping: >> https://gcc.gnu.org/pipermail/gcc-patches/2023-January/609504.html >> >> BR, >> Jeff (Jiufu) >> >> >> Jiufu Guo <guoji...@linux.ibm.com> writes: >> >>> Hi, >>> >>> During discussing/review patches in maillist, we find more modes are >>> tieable, e.g. DI<->DF. With some discussion, I drafted this patch >>> to mark more tieable modes. >>> >>> Bootstrap and regtest pass on ppc64{,le}. >>> Is this ok for trunk? >>> >>> BR, >>> Jeff (Jiufu) >>> >>> gcc/ChangeLog: >>> >>> * config/rs6000/rs6000.cc (rs6000_modes_tieable_p): Mark more tieable >>> modes. >>> >>> gcc/testsuite/ChangeLog: >>> >>> * g++.target/powerpc/pr102024.C: Updated. >>> >>> --- >>> gcc/config/rs6000/rs6000.cc | 9 +++++++++ >>> gcc/testsuite/g++.target/powerpc/pr102024.C | 3 ++- >>> 2 files changed, 11 insertions(+), 1 deletion(-) >>> >>> diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc >>> index 6ac3adcec6b..3cb0186089e 100644 >>> --- a/gcc/config/rs6000/rs6000.cc >>> +++ b/gcc/config/rs6000/rs6000.cc >>> @@ -1968,6 +1968,15 @@ rs6000_modes_tieable_p (machine_mode mode1, >>> machine_mode mode2) >>> if (ALTIVEC_OR_VSX_VECTOR_MODE (mode2)) >>> return false; >>> >>> + /* SFmode format (IEEE DP) in register would not as required, >>> + So SFmode is restrict here. */ >>> + if (GET_MODE_CLASS (mode1) == MODE_FLOAT >>> + && GET_MODE_CLASS (mode2) == MODE_INT) >>> + return GET_MODE_SIZE (mode2) == UNITS_PER_FP_WORD && mode1 != SFmode; >>> + if (GET_MODE_CLASS (mode1) == MODE_INT >>> + && GET_MODE_CLASS (mode2) == MODE_FLOAT) >>> + return GET_MODE_SIZE (mode1) == UNITS_PER_FP_WORD && mode2 != SFmode; >>> + >>> if (SCALAR_FLOAT_MODE_P (mode1)) >>> return SCALAR_FLOAT_MODE_P (mode2); >>> if (SCALAR_FLOAT_MODE_P (mode2)) >>> diff --git a/gcc/testsuite/g++.target/powerpc/pr102024.C >>> b/gcc/testsuite/g++.target/powerpc/pr102024.C >>> index 769585052b5..27d2dc5e80b 100644 >>> --- a/gcc/testsuite/g++.target/powerpc/pr102024.C >>> +++ b/gcc/testsuite/g++.target/powerpc/pr102024.C >>> @@ -5,7 +5,8 @@ >>> // Test that a zero-width bit field in an otherwise homogeneous aggregate >>> // generates a psabi warning and passes arguments in GPRs. >>> >>> -// { dg-final { scan-assembler-times {\mstd\M} 4 } } >>> +// { dg-final { scan-assembler-times {\mmtvsrd\M} 4 { target has_arch_pwr8 >>> } } } >>> +// { dg-final { scan-assembler-times {\mstd\M} 4 { target { ! >>> has_arch_pwr8 } } } } >>> >>> struct a_thing >>> {
