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rs6000-string.c (expand_cmp_vec_sequence): Rename and modify expand_strncmp_vec_sequence. 

2018-11-26  Aaron Sawdey  <acsawdey@linux.ibm.com>

	* config/rs6000/rs6000-string.c (expand_cmp_vec_sequence): Rename
	and modify expand_strncmp_vec_sequence.
	(emit_final_compare_vec): Rename and modify emit_final_str_compare_vec.
	(generate_6432_conversion): New function.
	(expand_block_compare): Add support for vsx.
	(expand_block_compare_gpr): New function.
	* config/rs6000/rs6000.opt (rs6000_block_compare_inline_limit): Increase
	default limit to 63 because of more compact vsx code.

From-SVN: r266481
This commit is contained in:
Aaron Sawdey 2018-11-26 20:59:06 +00:00 committed by Aaron Sawdey
parent 02ef9b0c2d
commit 37ae4739bc
3 changed files with 543 additions and 422 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
2018-11-26 Aaron Sawdey <acsawdey@linux.ibm.com>
* config/rs6000/rs6000-string.c (expand_cmp_vec_sequence): Rename
and modify expand_strncmp_vec_sequence.
(emit_final_compare_vec): Rename and modify emit_final_str_compare_vec.
(generate_6432_conversion): New function.
(expand_block_compare): Add support for vsx.
(expand_block_compare_gpr): New function.
* config/rs6000/rs6000.opt (rs6000_block_compare_inline_limit): Increase
default limit to 63 because of more compact vsx code.
2018-11-26 Uros Bizjak <ubizjak@gmail.com>
PR target/88178

952
gcc/config/rs6000/rs6000-string.c
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2
gcc/config/rs6000/rs6000.opt
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@ -326,7 +326,7 @@ Target Report Var(rs6000_block_move_inline_limit) Init(0) RejectNegative Joined
Max number of bytes to move inline.
mblock-compare-inline-limit=
Target Report Var(rs6000_block_compare_inline_limit) Init(31) RejectNegative Joined UInteger Save
Target Report Var(rs6000_block_compare_inline_limit) Init(63) RejectNegative Joined UInteger Save
Max number of bytes to compare without loops.
mblock-compare-inline-loop-limit=