https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64082
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail| |5.4.0
Known to work| |6.3.0
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=64164
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |6.0
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
GCC 6 expansion:
(insn 9 8 10 (set (reg:DI 76)
(sign_extend:DI (reg/v:SI 74 [ i ]))) /app/example.cpp:7 -1
(nil))
(insn 10 9 11 (set (reg:DI 77)
(plus:DI (reg/f:DI 68 virtual-stack-vars)
(const_int -16 [0xfffffffffffffff0]))) /app/example.cpp:7 -1
(nil))
(insn 11 10 12 (set (reg:QI 78)
(mem/j:QI (plus:DI (reg:DI 77)
(reg:DI 76)) [0 A S1 A8])) /app/example.cpp:7 -1
(nil))
GCC 5 expansion:
(insn 9 8 10 (set (reg:DI 76)
(sign_extend:DI (reg/v:SI 74 [ i ]))) /app/example.cpp:7 -1
(nil))
(insn 10 9 11 (set (reg:DI 78)
(plus:DI (reg/f:DI 68 virtual-stack-vars)
(const_int -4096 [0xfffffffffffff000]))) /app/example.cpp:7 -1
(nil))
(insn 11 10 12 (set (reg:DI 79)
(plus:DI (reg:DI 78)
(reg:DI 76))) /app/example.cpp:7 -1
(nil))
(insn 12 11 13 (set (reg/f:DI 77)
(reg:DI 79)) /app/example.cpp:7 -1
(nil))
(insn 13 12 14 (set (reg:QI 80)
(mem/j:QI (plus:DI (reg/f:DI 77)
(const_int 4080 [0xff0])) [0 A S1 A8])) /app/example.cpp:7 -1
(nil))
I think the patch which fixed this was one of the patches for PR 64164.
So fixed.
