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[Patch AArch64] Switch constant pools to separate rodata sections. 

Properly apply ..

2015-11-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	Properly apply.
	2015-11-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
        * config/aarch64/aarch64.c
        (aarch64_can_use_per_function_literal_pools_p): New.
        (aarch64_use_blocks_for_constant_p): Adjust declaration
        and use aarch64_can_use_function_literal_pools_p.
        (aarch64_select_rtx_section): Update.

From-SVN: r229878
This commit is contained in:
Ramana Radhakrishnan 2015-11-06 19:00:59 +00:00 committed by Ramana Radhakrishnan
parent 9a4bbd5dd2
commit e78d485eb8
2 changed files with 33 additions and 9 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2015-11-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Properly apply.
2015-11-05 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* config/aarch64/aarch64.c
(aarch64_can_use_per_function_literal_pools_p): New.
(aarch64_use_blocks_for_constant_p): Adjust declaration
and use aarch64_can_use_function_literal_pools_p.
(aarch64_select_rtx_section): Update.
2015-11-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> 2015-11-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* config/arm/arm-ldmstm.ml: Rewrite to generate unified asm templates. * config/arm/arm-ldmstm.ml: Rewrite to generate unified asm templates.

32
gcc/config/aarch64/aarch64.c
View File

@ -5237,24 +5237,38 @@ aarch64_uxt_size (int shift, HOST_WIDE_INT mask)
return 0; return 0;
} }
/* Constant pools are per function only when PC relative
literal loads are true or we are in the large memory
model. */
static inline bool
aarch64_can_use_per_function_literal_pools_p (void)
{
return (!aarch64_nopcrelative_literal_loads
|| aarch64_cmodel == AARCH64_CMODEL_LARGE);
}
static bool static bool
aarch64_use_blocks_for_constant_p (machine_mode mode ATTRIBUTE_UNUSED, aarch64_use_blocks_for_constant_p (machine_mode, const_rtx)
const_rtx x ATTRIBUTE_UNUSED)
{ {
/* We can't use blocks for constants when we're using a per-function /* We can't use blocks for constants when we're using a per-function
constant pool. */ constant pool. */
return false; return !aarch64_can_use_per_function_literal_pools_p ();
} }
/* Select appropriate section for constants depending
on where we place literal pools. */
static section * static section *
aarch64_select_rtx_section (machine_mode mode ATTRIBUTE_UNUSED, aarch64_select_rtx_section (machine_mode mode,
rtx x ATTRIBUTE_UNUSED, rtx x,
unsigned HOST_WIDE_INT align ATTRIBUTE_UNUSED) unsigned HOST_WIDE_INT align)
{ {
/* Force all constant pool entries into the current function section. */ if (aarch64_can_use_per_function_literal_pools_p ())
return function_section (current_function_decl); return function_section (current_function_decl);
}
return default_elf_select_rtx_section (mode, x, align);
}
/* Costs. */ /* Costs. */