https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26553
Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |fxcoudert at gcc dot gnu.org
Resolution|--- |FIXED
--- Comment #1 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> ---
The compiler doesn't do that anymore, since at least 4.8. For example, in 4.8,
we emit this:
.text
.globl _g
_g:
pushl %ebp
movl %esp, %ebp
subl $8, %esp
movl $1, %eax
call L_f$stub
leave
ret
.section
__IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5
L_f$stub:
.indirect_symbol _f
hlt ; hlt ; hlt ; hlt ; hlt
.subsections_via_symbols
and in trunk:
.text
.globl _g
_g:
LFB0:
pushl %ebp
LCFI0:
movl %esp, %ebp
LCFI1:
subl $8, %esp
call ___x86.get_pc_thunk.ax
L1$pb:
movl $1, %eax
call _f
leave
LCFI2:
ret
LFE0:
.section __TEXT,__textcoal_nt,coalesced,pure_instructions
.weak_definition ___x86.get_pc_thunk.ax
.private_extern ___x86.get_pc_thunk.ax
___x86.get_pc_thunk.ax:
LFB1:
movl (%esp), %eax
ret
LFE1:
.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
EH_frame1:
.set L$set$0,LECIE1-LSCIE1
.long L$set$0
LSCIE1:
.long 0
.byte 0x1
.ascii "zR\0"
.byte 0x1
.byte 0x7c
.byte 0x8
.byte 0x1
.byte 0x10
.byte 0xc
.byte 0x5
.byte 0x4
.byte 0x88
.byte 0x1
.align 2
LECIE1:
LSFDE1:
.set L$set$1,LEFDE1-LASFDE1
.long L$set$1
LASFDE1:
.long LASFDE1-EH_frame1
.long LFB0-.
.set L$set$2,LFE0-LFB0
.long L$set$2
.byte 0
.byte 0x4
.set L$set$3,LCFI0-LFB0
.long L$set$3
.byte 0xe
.byte 0x8
.byte 0x84
.byte 0x2
.byte 0x4
.set L$set$4,LCFI1-LCFI0
.long L$set$4
.byte 0xd
.byte 0x4
.byte 0x4
.set L$set$5,LCFI2-LCFI1
.long L$set$5
.byte 0xc4
.byte 0xc
.byte 0x5
.byte 0x4
.align 2
LEFDE1:
LSFDE3:
.set L$set$6,LEFDE3-LASFDE3
.long L$set$6
LASFDE3:
.long LASFDE3-EH_frame1
.long LFB1-.
.set L$set$7,LFE1-LFB1
.long L$set$7
.byte 0
.align 2
LEFDE3:
.subsections_via_symbols
