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| author | Andrew Stubbs <ams@codesourcery.com> | 2022-02-12 23:44:48 +0000 |
|---|---|---|
| committer | Andrew Stubbs <ams@codesourcery.com> | 2022-02-14 13:39:13 +0000 |
| commit | d51cad0b840a14c66732cb6a166c11ddf55d18b2 (patch) | |
| tree | a32526d0c87e88706249336a16f4c92907aa343b | |
| parent | 0a1a3afb5fb36e2d10ad92bf788e16d837451571 (diff) | |
| download | gcc-d51cad0b840a14c66732cb6a166c11ddf55d18b2.zip gcc-d51cad0b840a14c66732cb6a166c11ddf55d18b2.tar.gz gcc-d51cad0b840a14c66732cb6a166c11ddf55d18b2.tar.bz2 | |
amdgcn: Allow vector reductions on constants
Obviously it would be better if these reductions could be evaluated at compile
time, but this will avoid an ICE.
gcc/ChangeLog:
* config/gcn/gcn.cc (gcn_expand_reduc_scalar): Use force_reg.
| -rw-r--r-- | gcc/config/gcn/gcn.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/gcn/gcn.cc b/gcc/config/gcn/gcn.cc index 74819c6..402f025 100644 --- a/gcc/config/gcn/gcn.cc +++ b/gcc/config/gcn/gcn.cc @@ -4460,7 +4460,7 @@ gcn_expand_reduc_scalar (machine_mode mode, rtx src, int unspec) pair of lanes, then on every pair of results from the previous iteration (thereby effectively reducing every 4 lanes) and so on until all lanes are reduced. */ - rtx in, out = src; + rtx in, out = force_reg (mode, src); for (int i = 0, shift = 1; i < 6; i++, shift <<= 1) { rtx shift_val = gen_rtx_CONST_INT (VOIDmode, shift); |