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| author | Kirill Yukhin <kyukhin@gcc.gnu.org> | 2014-10-13 17:26:49 +0000 |
|---|---|---|
| committer | Kirill Yukhin <kyukhin@gcc.gnu.org> | 2014-10-13 17:26:49 +0000 |
| commit | bcb21886b9ea0c3836e401b75e0b8304b38aed2f (patch) | |
| tree | 6c2ee30ea96f8dde643e082a6ab50870b1a8de9e /gcc/doc | |
| parent | 8d99ad36b391d760f08f9f3bba6a99649e0cce35 (diff) | |
| download | gcc-bcb21886b9ea0c3836e401b75e0b8304b38aed2f.zip gcc-bcb21886b9ea0c3836e401b75e0b8304b38aed2f.tar.gz gcc-bcb21886b9ea0c3836e401b75e0b8304b38aed2f.tar.bz2 | |
re PR target/8340 (ICE on x86 inline asm w/ -fPIC)
gcc/
PR target/8340
PR middle-end/47602
PR rtl-optimization/55458
* config/i386/i386.c (ix86_use_pseudo_pic_reg): New.
(ix86_init_pic_reg): New.
(ix86_select_alt_pic_regnum): Add check on pseudo register.
(ix86_save_reg): Likewise.
(ix86_expand_prologue): Remove PIC register initialization
now performed in ix86_init_pic_reg.
(ix86_output_function_epilogue): Add check on pseudo register.
(set_pic_reg_ever_alive): New.
(legitimize_pic_address): Replace df_set_regs_ever_live with new
set_pic_reg_ever_alive.
(legitimize_tls_address): Likewise.
(ix86_pic_register_p): New check.
(ix86_delegitimize_address): Add check on pseudo register.
(ix86_expand_call): Insert move from pseudo PIC register to ABI
defined REAL_PIC_OFFSET_TABLE_REGNUM.
(TARGET_INIT_PIC_REG): New.
(TARGET_USE_PSEUDO_PIC_REG): New.
* config/i386/i386.h (PIC_OFFSET_TABLE_REGNUM): Return INVALID_REGNUM
if pic_offset_table_rtx exists.
* doc/tm.texi.in (TARGET_USE_PSEUDO_PIC_REG, TARGET_INIT_PIC_REG):
Document.
* doc/tm.texi: Regenerate.
* function.c (assign_parms): Generate pseudo register for PIC.
* init-regs.c (initialize_uninitialized_regs): Ignor pseudo PIC
register.
* ira-color.c (color_pass): Add check on pseudo register.
* ira-emit.c (change_loop): Don't create copies for PIC pseudo
register.
* ira.c (split_live_ranges_for_shrink_wrap): Add check on pseudo
register.
(ira): Add target specific PIC register initialization.
(do_reload): Keep PIC pseudo register.
* lra-assigns.c (spill_for): Add checks on pseudo register.
* lra-constraints.c (contains_symbol_ref_p): New.
(lra_constraints): Enable lra risky transformations when PIC is pseudo
register.
* shrink-wrap.c (try_shrink_wrapping): Add check on pseudo register.
* target.def (use_pseudo_pic_reg): New.
(init_pic_reg): New.
gcc/testsuite/
PR target/8340
PR middle-end/47602
PR rtl-optimization/55458
* gcc.target/i386/pic-1.c: Remove dg-error as test should pass now.
* gcc.target/i386/pr55458.c: Likewise.
* gcc.target/i386/pr47602.c: New.
* gcc.target/i386/pr23098.c: Move to XFAIL.
From-SVN: r216154
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/tm.texi | 10 | ||||
| -rw-r--r-- | gcc/doc/tm.texi.in | 4 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 10af50e..5036d4f 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -3902,6 +3902,16 @@ If @code{TARGET_FUNCTION_INCOMING_ARG} is not defined, @code{TARGET_FUNCTION_ARG} serves both purposes. @end deftypefn +@deftypefn {Target Hook} bool TARGET_USE_PSEUDO_PIC_REG (void) +This hook should return 1 in case pseudo register should be created +for pic_offset_table_rtx during function expand. +@end deftypefn + +@deftypefn {Target Hook} void TARGET_INIT_PIC_REG (void) +Perform a target dependent initialization of pic_offset_table_rtx. +This hook is called at the start of register allocation. +@end deftypefn + @deftypefn {Target Hook} int TARGET_ARG_PARTIAL_BYTES (cumulative_args_t @var{cum}, enum machine_mode @var{mode}, tree @var{type}, bool @var{named}) This target hook returns the number of bytes at the beginning of an argument that must be put in registers. The value must be zero for diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index f6f241b..5674e6c 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -3348,6 +3348,10 @@ the stack. @hook TARGET_FUNCTION_INCOMING_ARG +@hook TARGET_USE_PSEUDO_PIC_REG + +@hook TARGET_INIT_PIC_REG + @hook TARGET_ARG_PARTIAL_BYTES @hook TARGET_PASS_BY_REFERENCE |