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 >> {
