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| author | Andrew Stubbs <ams@codesourcery.com> | 2020-11-09 17:42:34 +0000 |
|---|---|---|
| committer | Andrew Stubbs <ams@codesourcery.com> | 2021-01-26 10:23:43 +0000 |
| commit | d9f50366102a8ca3521e4854f7716bd013c8ea0a (patch) | |
| tree | e461f789926aca8c445373b0fcb87eda66b7d726 /gcc | |
| parent | 5a36cae275ad84cc7e623f2f5829bdad767e3f6a (diff) | |
| download | gcc-d9f50366102a8ca3521e4854f7716bd013c8ea0a.zip gcc-d9f50366102a8ca3521e4854f7716bd013c8ea0a.tar.gz gcc-d9f50366102a8ca3521e4854f7716bd013c8ea0a.tar.bz2 | |
amdgcn: Allow V64DFmode min/max reductions
I don't know why these were disabled. There're no direct min/max DPP
instructions for this mode, but the "use moves" strategy works fine.
gcc/ChangeLog:
* config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
for V64DFmode min/max reductions.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/gcn/gcn.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/config/gcn/gcn.c b/gcc/config/gcn/gcn.c index 3b1762e..2351b24 100644 --- a/gcc/config/gcn/gcn.c +++ b/gcc/config/gcn/gcn.c @@ -4251,7 +4251,8 @@ gcn_expand_reduc_scalar (machine_mode mode, rtx src, int unspec) || unspec == UNSPEC_SMAX_DPP_SHR || unspec == UNSPEC_UMIN_DPP_SHR || unspec == UNSPEC_UMAX_DPP_SHR) - && mode == V64DImode) + && (mode == V64DImode + || mode == V64DFmode)) || (unspec == UNSPEC_PLUS_DPP_SHR && mode == V64DFmode)); rtx_code code = (unspec == UNSPEC_SMIN_DPP_SHR ? SMIN |