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i386.c (dimode_scalar_chain::compute_convert_gain): Use shift_const cost parameter when calculating gain of STV shifts.

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* config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
	Use shift_const cost parameter when calculating gain of STV shifts.

From-SVN: r246856
This commit is contained in:
Uros Bizjak 2017-04-11 22:36:58 +02:00
parent 4796d8f620
commit 98b5e81a05
2 changed files with 19 additions and 13 deletions
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30
gcc/ChangeLog
View file

@ -1,3 +1,8 @@
2017-04-11 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
Use shift_const cost parameter when calculating gain of STV shifts.
2017-04-11 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/70478
@ -132,7 +137,7 @@
2017-04-10 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/80153
* tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
* tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
remove POINTER_PLUS_EXPR's base part directly, rather than through
aff_tree.
@ -204,7 +209,7 @@
PR middle-end/80344
* gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
2017-04-10 Jakub Jelinek <jakub@redhat.com>
PR target/80324
@ -1282,14 +1287,14 @@
matching condition.
2017-03-23 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
Richard Biener <rguenth@suse.de>
Richard Biener <rguenth@suse.de>
PR tree-optimization/79908
PR tree-optimization/80136
* tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
been cast away, gimplify_and_add suffices.
2017-03-23 Markus Trippelsdorf <markus@trippelsdorf.de>
2017-03-23 Markus Trippelsdorf <markus@trippelsdorf.de>
* tree-vrp.c (identify_jump_threads): Delete avail_exprs.
@ -1463,7 +1468,7 @@
conditional jump, if the jump is the last insn of the loop.
2017-03-21 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
Richard Biener <rguenth@suse.de>
Richard Biener <rguenth@suse.de>
PR tree-optimization/79908
* tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
@ -1620,7 +1625,7 @@
2017-03-19 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
* doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
to age-old versions of binutils and glibc.
2017-03-18 Segher Boessenkool <segher@kernel.crashing.org>
@ -1632,7 +1637,7 @@
* doc/contrib.texi (Contributors): Add Segher Boessenkool.
2017-03-18 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Specific) <arm-*-eabi>: Remove old
requirement for binutils 2.13.
@ -1967,7 +1972,7 @@
* doc/gccint.texi: Ditto.
2017-03-13 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Specific) <avr>: Remove reference to
binutils 2.13.
@ -2039,7 +2044,7 @@
* doc/install.texi (Specific) <mips-*-*>: Remove description of
issue that only occurred with binutils below 2.18.
2017-03-12 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Specific) <cris-axis-elf>: No longer
@ -2148,8 +2153,8 @@
2017-03-10 Martin Liska <mliska@suse.cz>
PR target/65705
PR target/69804
PR target/65705
PR target/69804
* toplev.c (process_options): Enable MPX with LSAN and UBSAN.
* tree-chkp.c (chkp_walk_pointer_assignments): Verify that
FIELD != NULL.
@ -2336,7 +2341,8 @@
2017-03-08 Martin Sebor <msebor@redhat.com>
PR target/79928
* config/nds32/nds32.c (nds32_option_override):
* config/nds32/nds32.c (nds32_option_override):
Fix misspelled diagnostic.
2017-03-08 Jakub Jelinek <jakub@redhat.com>

2
gcc/config/i386/i386.c
View file

@ -3407,7 +3407,7 @@ dimode_scalar_chain::compute_convert_gain ()
else if (GET_CODE (src) == ASHIFT
|| GET_CODE (src) == LSHIFTRT)
{
gain += ix86_cost->add;
gain += ix86_cost->shift_const;
if (CONST_INT_P (XEXP (src, 0)))
gain -= vector_const_cost (XEXP (src, 0));
if (CONST_INT_P (XEXP (src, 1))