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[Bug target/81643] FAIL: gcc.target/aarch64/long_branch_1.c scan-assembler Ltb
- From: "amker at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 08 Aug 2017 10:44:19 +0000
- Subject: [Bug target/81643] FAIL: gcc.target/aarch64/long_branch_1.c scan-assembler Ltb
- Auto-submitted: auto-generated
- References: <bug-81643-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81643
amker at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jgreenhalgh at gcc dot gnu.org
--- Comment #5 from amker at gcc dot gnu.org ---
(In reply to Martin Liška from comment #3)
> Confirmed that
> /* { dg-final { scan-assembler "Ltb" } } */
>
> is missing after the revision. Can you amker please tell me how the test
> works?
I don't know the details either. Looks like it tests correct code generation
for long distance conditional jump. With the change, one type of long distance
jump disappeared thus no relevant code is generated. I guess this requires a
test case change. CCing AArch64 maintainer.