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author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-08-31 10:11:41 +0000 |
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committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-08-31 10:11:41 +0000 |
commit | 76160199989decf5437de4def4d628b04d5ad68a (patch) | |
tree | e0f6f0e8697b12bebc8ddd5b704295f42ece7c09 /libiberty/simple-object-elf.c | |
parent | 5f5653148b94593632986155b4f283150c52b83d (diff) | |
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[AArch64] Tighten address register subreg checks
Previously we allowed subregs of non-GPR modes to be base and index
registers in non-strict mode. In practice such subregs will always
require a reload, so we get better code by disallowing them.
2017-08-31 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
subregs whose inner modes can be stored in GPRs.
(aarch64_classify_index): Likewise.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r251557
Diffstat (limited to 'libiberty/simple-object-elf.c')
0 files changed, 0 insertions, 0 deletions