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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2017-10-26 11:28:25 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2017-10-26 11:28:25 +0000 |
| commit | f073de07ad00d4be604bdbaeab14786850932601 (patch) | |
| tree | 825db4f6d56d10a34af45d9e3c9e8dcaf128e151 /gcc/varasm.c | |
| parent | 4bc19a3b1a9fe74e515b7c54082bbad27decc227 (diff) | |
| download | gcc-f073de07ad00d4be604bdbaeab14786850932601.zip gcc-f073de07ad00d4be604bdbaeab14786850932601.tar.gz gcc-f073de07ad00d4be604bdbaeab14786850932601.tar.bz2 | |
This patch adds a new hook that gives the preferred alignment for a static rtx...
TARGET_STATIC_RTX_ALIGNMENT
This patch adds a new hook that gives the preferred alignment for
a static rtx, so that we don't need to query the front end in
force_const_mem.
2017-10-26 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* target.def (static_rtx_alignment): New hook.
* targhooks.h (default_static_rtx_alignment): Declare.
* targhooks.c (default_static_rtx_alignment): New function.
* doc/tm.texi.in (TARGET_STATIC_RTX_ALIGNMENT): New hook.
* doc/tm.texi: Regenerate.
* varasm.c (force_const_mem): Use targetm.static_rtx_alignment
instead of targetm.constant_alignment. Remove call to
set_mem_attributes.
* config/cris/cris.c (TARGET_STATIC_RTX_ALIGNMENT): Redefine.
(cris_preferred_mininum_alignment): New function, split out from...
(cris_constant_alignment): ...here.
(cris_static_rtx_alignment): New function.
* config/i386/i386.c (ix86_static_rtx_alignment): New function,
split out from...
(ix86_constant_alignment): ...here.
(TARGET_STATIC_RTX_ALIGNMENT): Redefine.
* config/mmix/mmix.c (TARGET_STATIC_RTX_ALIGNMENT): Redefine.
(mmix_static_rtx_alignment): New function.
* config/spu/spu.c (spu_static_rtx_alignment): New function.
(TARGET_STATIC_RTX_ALIGNMENT): Redefine.
From-SVN: r254102
Diffstat (limited to 'gcc/varasm.c')
| -rw-r--r-- | gcc/varasm.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c index d324ca03..a139151 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -3783,11 +3783,8 @@ force_const_mem (machine_mode mode, rtx x) *slot = desc; /* Align the location counter as required by EXP's data type. */ - align = GET_MODE_ALIGNMENT (mode == VOIDmode ? word_mode : mode); - - tree type = lang_hooks.types.type_for_mode (mode, 0); - if (type != NULL_TREE) - align = targetm.constant_alignment (make_tree (type, x), align); + machine_mode align_mode = (mode == VOIDmode ? word_mode : mode); + align = targetm.static_rtx_alignment (align_mode); pool->offset += (align / BITS_PER_UNIT) - 1; pool->offset &= ~ ((align / BITS_PER_UNIT) - 1); @@ -3829,7 +3826,6 @@ force_const_mem (machine_mode mode, rtx x) /* Construct the MEM. */ desc->mem = def = gen_const_mem (mode, symbol); - set_mem_attributes (def, lang_hooks.types.type_for_mode (mode, 0), 1); set_mem_align (def, align); /* If we're dropping a label to the constant pool, make sure we |