[Bug target/99531] [11 Regression] Performance regression since gcc 9 (argument passing / register allocation)

[olegendo at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99531

--- Comment #12 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #11)
> 
> This caused PR 115148

I absolutely lack the imagination to see the connection of the change in #c6
and PR 115148.  This is the change in the output code that results in the
problem on SH:

.LVL108:
        bt/s    .L178           !
        mov     #-1,r0  !, <retval>
@@ -1832,36 +1830,39 @@
        .byte   .L215-.L190
        .byte   .L181-.L190
 .LVL109:
-       .align 1
-.L192:
 .LBE111:
 .LBE110:
        .loc 1 234 9
        .loc 1 234 14
+       .align 1
+.L287:
+       .align 1
+.L288:

Any ideas or suggestions are appreciated.