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| author | Segher Boessenkool <segher@kernel.crashing.org> | 2019-11-20 14:38:52 +0100 |
|---|---|---|
| committer | Segher Boessenkool <segher@gcc.gnu.org> | 2019-11-20 14:38:52 +0100 |
| commit | bcb4b4b4baad38d0a9ac353822506fa1d7fb6b25 (patch) | |
| tree | 9123643dd8f14ddefb4f7aba02fef6169f3de7c9 | |
| parent | 041cb6154cfd31dd249fec8cfcc6833e09e5cd06 (diff) | |
| download | gcc-bcb4b4b4baad38d0a9ac353822506fa1d7fb6b25.zip gcc-bcb4b4b4baad38d0a9ac353822506fa1d7fb6b25.tar.gz gcc-bcb4b4b4baad38d0a9ac353822506fa1d7fb6b25.tar.bz2 | |
rs6000: Fix UNORDERED without NaNs, for DFP (PR92573)
This is the analogue of r278103, but for DFP.
PR target/92573
* config/rs6000/dfp.md (dfptstsfi_<code>_<mode> for DFP_TEST and DDTD):
Handle UNORDERED if !HONOR_NANS.
From-SVN: r278497
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/dfp.md | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 79b8210..dc377af 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-11-20 Segher Boessenkool <segher@kernel.crashing.org> + + PR target/92573 + * config/rs6000/dfp.md (dfptstsfi_<code>_<mode> for DFP_TEST and DDTD): + Handle UNORDERED if !HONOR_NANS. + 2019-11-20 Jan Hubicka <jh@suse.cz> * ipa-inline.c (wrapper_heuristics_may_apply): Break out from ... diff --git a/gcc/config/rs6000/dfp.md b/gcc/config/rs6000/dfp.md index 659b3c9..687858c 100644 --- a/gcc/config/rs6000/dfp.md +++ b/gcc/config/rs6000/dfp.md @@ -289,6 +289,12 @@ ] "TARGET_P9_MISC" { + if (<CODE> == UNORDERED && !HONOR_NANS (<MODE>mode)) + { + emit_move_insn (operands[0], const0_rtx); + DONE; + } + operands[3] = gen_reg_rtx (CCFPmode); }) |