https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61577
--- Comment #53 from The Written Word <bugzilla-gcc at thewrittenword dot com>
---
(In reply to EML from comment #52)
> Note, regardless of reverting the gprel patch, GCC 8 puts the data in
> .rodata.
>
> However, doesn't gcc 4.9.x do the same thing, it just moves it to GOT with
> ltoffx?
>
> .file "foo.c"
> .pred.safe_across_calls p1-p5,p16-p63
> .section .text, "ax", "progbits"
> .Ltext0:
> .section .rodata, "a", "progbits"
> .align 8
> .LC0:
> stringz "Hellos World"
> .section .text, "ax", "progbits"
>
>
> Isn't LC0 here also in .rodata?
>
> objdump -h -s fooContents of section .rodata:
> 40007f8 48656c6c 6f732057 6f726c64 00 Hellos World.
>
>
> So gcc 4.9.x also puts the string into rodata?
>
> (Not sure I'm reading all the files correctly, so perhaps I'm just reading
> it all wrong)
gcc-4.4.6 does:
.file "hello.c"
.pred.safe_across_calls p1-p5,p16-p63
.section .rodata, "a", "progbits"
.align 8
.LC0:
stringz "Hellos World"
.section .text, "ax", "progbits"
.align 16
gcc-4.6.4 does:
.file "hello.c"
.pred.safe_across_calls p1-p5,p16-p63
.section .rodata, "a", "progbits"
.align 8
.LC0:
stringz "Hellos World"
.section .text, "ax", "progbits"
.align 16
gcc-4.7.4 does:
.pred.safe_across_calls p1-p5,p16-p63
.section .rodata, "a", "progbits"
.align 8
.LC0:
stringz "Hellos World"
.section .text, "ax", "progbits"
.align 16
gcc-4.8.5 does:
.pred.safe_across_calls p1-p5,p16-p63
.section .rodata, "a", "progbits"
.align 8
.LC0:
stringz "Hellos World"
.section .text, "ax", "progbits"
.align 16
gcc-4.9.4 (with gprel patch reverted) does:
.file "hello.c"
.pred.safe_across_calls p1-p5,p16-p63
.section .rodata, "a", "progbits"
.align 8
.LC0:
stringz "Hellos World"
.section .text, "ax", "progbits"
.align 16
gcc-8.3.0 (first stage) does:
.section .text, "ax", "progbits"
.section .rodata, "a", "progbits"
.align 8
.LC0:
stringz "Hellos World"
.section .text, "ax", "progbits"
.align 16
