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| author | Richard Biener <rguenther@suse.de> | 2024-01-11 14:55:50 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2024-01-12 07:58:26 +0100 |
| commit | 655b6cb1ea3a0e23124d77dccd5d174ac59c429c (patch) | |
| tree | 55a83df1f1737186aba1a71ceb0f17197737a55e | |
| parent | cc9cac9f073a9517f5b7fcffcb7c28b166339491 (diff) | |
| download | gcc-655b6cb1ea3a0e23124d77dccd5d174ac59c429c.zip gcc-655b6cb1ea3a0e23124d77dccd5d174ac59c429c.tar.gz gcc-655b6cb1ea3a0e23124d77dccd5d174ac59c429c.tar.bz2 | |
target/112280 - properly guard permute query
The following adds guards avoiding code generation to
expand_perm_as_a_vlbr_vstbr_candidate when d.testing_p.
PR target/112280
* config/s390/s390.cc (expand_perm_as_a_vlbr_vstbr_candidate):
Do not generate code when d.testing_p.
| -rw-r--r-- | gcc/config/s390/s390.cc | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/gcc/config/s390/s390.cc b/gcc/config/s390/s390.cc index 748ad9c..f182c26 100644 --- a/gcc/config/s390/s390.cc +++ b/gcc/config/s390/s390.cc @@ -17867,33 +17867,45 @@ expand_perm_as_a_vlbr_vstbr_candidate (const struct expand_vec_perm_d &d) if (memcmp (d.perm, perm[0], MAX_VECT_LEN) == 0) { - rtx target = gen_rtx_SUBREG (V8HImode, d.target, 0); - rtx op0 = gen_rtx_SUBREG (V8HImode, d.op0, 0); - emit_insn (gen_bswapv8hi (target, op0)); + if (!d.testing_p) + { + rtx target = gen_rtx_SUBREG (V8HImode, d.target, 0); + rtx op0 = gen_rtx_SUBREG (V8HImode, d.op0, 0); + emit_insn (gen_bswapv8hi (target, op0)); + } return true; } if (memcmp (d.perm, perm[1], MAX_VECT_LEN) == 0) { - rtx target = gen_rtx_SUBREG (V4SImode, d.target, 0); - rtx op0 = gen_rtx_SUBREG (V4SImode, d.op0, 0); - emit_insn (gen_bswapv4si (target, op0)); + if (!d.testing_p) + { + rtx target = gen_rtx_SUBREG (V4SImode, d.target, 0); + rtx op0 = gen_rtx_SUBREG (V4SImode, d.op0, 0); + emit_insn (gen_bswapv4si (target, op0)); + } return true; } if (memcmp (d.perm, perm[2], MAX_VECT_LEN) == 0) { - rtx target = gen_rtx_SUBREG (V2DImode, d.target, 0); - rtx op0 = gen_rtx_SUBREG (V2DImode, d.op0, 0); - emit_insn (gen_bswapv2di (target, op0)); + if (!d.testing_p) + { + rtx target = gen_rtx_SUBREG (V2DImode, d.target, 0); + rtx op0 = gen_rtx_SUBREG (V2DImode, d.op0, 0); + emit_insn (gen_bswapv2di (target, op0)); + } return true; } if (memcmp (d.perm, perm[3], MAX_VECT_LEN) == 0) { - rtx target = gen_rtx_SUBREG (V1TImode, d.target, 0); - rtx op0 = gen_rtx_SUBREG (V1TImode, d.op0, 0); - emit_insn (gen_bswapv1ti (target, op0)); + if (!d.testing_p) + { + rtx target = gen_rtx_SUBREG (V1TImode, d.target, 0); + rtx op0 = gen_rtx_SUBREG (V1TImode, d.op0, 0); + emit_insn (gen_bswapv1ti (target, op0)); + } return true; } |