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Kelvin Nilsen a3a821c903 rs6000-p8swap.c (rs6000_sum_of_two_registers_p): New function. 
gcc/ChangeLog:

2018-01-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* config/rs6000/rs6000-p8swap.c (rs6000_sum_of_two_registers_p):
	New function.
	(rs6000_quadword_masked_address_p): Likewise.
	(quad_aligned_load_p): Likewise.
	(quad_aligned_store_p): Likewise.
	(const_load_sequence_p): Add comment to describe the outer-most loop.
	(mimic_memory_attributes_and_flags): New function.
	(rs6000_gen_stvx): Likewise.
	(replace_swapped_aligned_store): Likewise.
	(rs6000_gen_lvx): Likewise.
	(replace_swapped_aligned_load): Likewise.
	(replace_swapped_load_constant): Capitalize argument name in
	comment describing this function.
	(rs6000_analyze_swaps): Add a third pass to search for vector loads
	and stores that access quad-word aligned addresses and replace
	with stvx or lvx instructions when appropriate.
	* config/rs6000/rs6000-protos.h (rs6000_sum_of_two_registers_p):
	New function prototype.
	(rs6000_quadword_masked_address_p): Likewise.
	(rs6000_gen_lvx): Likewise.
	(rs6000_gen_stvx): Likewise.
	* config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): For modes
	VSX_D (V2DF, V2DI), modify this split to select lvx instruction
	when memory address is aligned.
	(*vsx_le_perm_load_<mode>): For modes VSX_W (V4SF, V4SI), modify
	this split to select lvx instruction when memory address is aligned.
	(*vsx_le_perm_load_v8hi): Modify this split to select lvx
	instruction when memory address is aligned.
	(*vsx_le_perm_load_v16qi): Likewise.
	(four unnamed splitters): Modify to select the stvx instruction
	when memory is aligned.

gcc/testsuite/ChangeLog:

2018-01-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* gcc.target/powerpc/pr48857.c: Modify dejagnu directives to look
	for lvx and stvx instead of lxvd2x and stxvd2x and require
	little-endian target.  Add comments.
	* gcc.target/powerpc/swaps-p8-28.c: Add functions for more
	comprehensive testing.
	* gcc.target/powerpc/swaps-p8-29.c: Likewise.
	* gcc.target/powerpc/swaps-p8-30.c: Likewise.
	* gcc.target/powerpc/swaps-p8-31.c: Likewise.
	* gcc.target/powerpc/swaps-p8-32.c: Likewise.
	* gcc.target/powerpc/swaps-p8-33.c: Likewise.
	* gcc.target/powerpc/swaps-p8-34.c: Likewise.
	* gcc.target/powerpc/swaps-p8-35.c: Likewise.
	* gcc.target/powerpc/swaps-p8-36.c: Likewise.
	* gcc.target/powerpc/swaps-p8-37.c: Likewise.
	* gcc.target/powerpc/swaps-p8-38.c: Likewise.
	* gcc.target/powerpc/swaps-p8-39.c: Likewise.
	* gcc.target/powerpc/swaps-p8-40.c: Likewise.
	* gcc.target/powerpc/swaps-p8-41.c: Likewise.
	* gcc.target/powerpc/swaps-p8-42.c: Likewise.
	* gcc.target/powerpc/swaps-p8-43.c: Likewise.
	* gcc.target/powerpc/swaps-p8-44.c: Likewise.
	* gcc.target/powerpc/swaps-p8-45.c: Likewise.
	* gcc.target/powerpc/vec-extract-2.c: Add comment and remove
	scan-assembler-not directives that forbid lvx and xxpermdi.
	* gcc.target/powerpc/vec-extract-3.c: Likewise.
	* gcc.target/powerpc/vec-extract-5.c: Likewise.
	* gcc.target/powerpc/vec-extract-6.c: Likewise.
	* gcc.target/powerpc/vec-extract-7.c: Likewise.
	* gcc.target/powerpc/vec-extract-8.c: Likewise.
	* gcc.target/powerpc/vec-extract-9.c: Likewise.
	* gcc.target/powerpc/vsx-vector-6-le.c: Change
	scan-assembler-times directives to reflect different numbers of
	expected xxlnor, xxlor, xvcmpgtdp, and xxland instructions.

libcpp/ChangeLog:

2018-01-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	* lex.c (search_line_fast): Remove illegal coercion of an
	unaligned pointer value to vector pointer type and replace with
	use of __builtin_vec_vsx_ld () built-in function, which operates
	on unaligned pointer values.

From-SVN: r256656
 		2018-01-14 05:19:29 +00:00
..
include Update copyright years. 2018-01-03 11:03:58 +01:00
po Regenerate .pot files. 2017-08-04 23:21:23 +01:00
ChangeLog rs6000-p8swap.c (rs6000_sum_of_two_registers_p): New function. 2018-01-14 05:19:29 +00:00
ChangeLog.jit Merger of dmalcolm/jit branch from git 2014-11-11 21:55:52 +00:00
Makefile.in Update copyright years. 2018-01-03 11:03:58 +01:00
aclocal.m4 libcpp: Bump to automake 1.11.6 2015-05-13 11:02:17 +00:00
charset.c Update copyright years. 2018-01-03 11:03:58 +01:00
config.in re PR bootstrap/72823 (r239175 causes build failure) 2016-11-16 21:10:27 +01:00
configure re PR bootstrap/72823 (r239175 causes build failure) 2016-11-16 21:10:27 +01:00
configure.ac re PR bootstrap/72823 (r239175 causes build failure) 2016-11-16 21:10:27 +01:00
directives-only.c Update copyright years. 2018-01-03 11:03:58 +01:00
directives.c Update copyright years. 2018-01-03 11:03:58 +01:00
errors.c Update copyright years. 2018-01-03 11:03:58 +01:00
expr.c Update copyright years. 2018-01-03 11:03:58 +01:00
files.c Update copyright years. 2018-01-03 11:03:58 +01:00
identifiers.c Update copyright years. 2018-01-03 11:03:58 +01:00
init.c Update copyright years. 2018-01-03 11:03:58 +01:00
internal.h Update copyright years. 2018-01-03 11:03:58 +01:00
lex.c rs6000-p8swap.c (rs6000_sum_of_two_registers_p): New function. 2018-01-14 05:19:29 +00:00
line-map.c Update copyright years. 2018-01-03 11:03:58 +01:00
location-example.txt Source range tracking in libcpp and C FE, with bit-packing optimization 2015-11-13 16:29:59 +00:00
macro.c Update copyright years. 2018-01-03 11:03:58 +01:00
makeucnid.c Update copyright years. 2018-01-03 11:03:58 +01:00
mkdeps.c Update copyright years. 2018-01-03 11:03:58 +01:00
pch.c Update copyright years. 2018-01-03 11:03:58 +01:00
symtab.c Update copyright years. 2018-01-03 11:03:58 +01:00
system.h Update copyright years. 2018-01-03 11:03:58 +01:00
traditional.c Update copyright years. 2018-01-03 11:03:58 +01:00
ucnid.h Update copyright years. 2018-01-03 11:03:58 +01:00
ucnid.tab Update copyright years. 2018-01-03 11:03:58 +01:00