[AArch64] PR target/78362: Make sure to only take REGNO of a register
commit9822b7fb4d028f9b299f39fef765b92f63dd194a
authorktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 30 Nov 2016 12:18:47 +0000 (30 12:18 +0000)
committerktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 30 Nov 2016 12:18:47 +0000 (30 12:18 +0000)
tree2896564ef0731191a193d5c73aa9ca146071e73e
parent754a270b3441ed4f07153ca8fe5c287b24acda74
[AArch64] PR target/78362: Make sure to only take REGNO of a register

PR target/78362
* config/aarch64/aarch64.md (add<mode>3): Extract inner expression
from a subreg in operands[1] and don't call REGNO on a non-reg
expression when deciding to force operands[2] into a reg.

* gcc.c-torture/compile/pr78362.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@243011 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/config/aarch64/aarch64.md
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.c-torture/compile/pr78362.c [new file with mode: 0644]