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optabs.c (expand_binop, [...]): Upse optimize_insn_for_speed predicate.

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* optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
	expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
	* expmed.c (expand_smod_pow2): Likewise.

From-SVN: r138565
This commit is contained in:
Jan Hubicka 2008-08-03 14:04:49 +02:00 • committed by Jan Hubicka
parent 5617c135e7
commit 2266066678
4 changed files with 13 additions and 7 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2008-08-03 Jan Hubicka <jh@suse.cz>
* optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
* expmed.c (expand_smod_pow2): Likewise.
2008-08-03 Uros Bizjak <ubizjak@gmail.com>
PR target/36992

10
gcc/builtins.c
View file

@ -2911,7 +2911,7 @@ expand_builtin_pow (tree exp, rtx target, rtx subtarget)
if (real_identical (&c, &cint)
&& ((n >= -1 && n <= 2)
|| (flag_unsafe_math_optimizations
&& !optimize_size
&& optimize_insn_for_speed_p ()
&& powi_cost (n) <= POWI_MAX_MULTS)))
{
op = expand_expr (arg0, subtarget, VOIDmode, EXPAND_NORMAL);
@ -2935,7 +2935,7 @@ expand_builtin_pow (tree exp, rtx target, rtx subtarget)
real_from_integer (&cint, VOIDmode, n, n < 0 ? -1 : 0, 0);
if (real_identical (&c2, &cint)
&& ((flag_unsafe_math_optimizations
&& !optimize_size
&& optimize_insn_for_speed_p ()
&& powi_cost (n/2) <= POWI_MAX_MULTS)
|| n == 1))
{
@ -2980,7 +2980,7 @@ expand_builtin_pow (tree exp, rtx target, rtx subtarget)
real_arithmetic (&c2, RDIV_EXPR, &cint, &dconst3);
real_convert (&c2, mode, &c2);
if (real_identical (&c2, &c)
&& ((!optimize_size
&& ((optimize_insn_for_speed_p ()
&& powi_cost (n/3) <= POWI_MAX_MULTS)
|| n == 1))
{
@ -3042,7 +3042,7 @@ expand_builtin_powi (tree exp, rtx target, rtx subtarget)
if ((TREE_INT_CST_HIGH (arg1) == 0
|| TREE_INT_CST_HIGH (arg1) == -1)
&& ((n >= -1 && n <= 2)
|| (! optimize_size
|| (optimize_insn_for_speed_p ()
&& powi_cost (n) <= POWI_MAX_MULTS)))
{
op0 = expand_expr (arg0, subtarget, VOIDmode, EXPAND_NORMAL);
@ -4464,7 +4464,7 @@ expand_builtin_strcat (tree fndecl, tree exp, rtx target, enum machine_mode mode
if (p && *p == '\0')
return expand_expr (dst, target, mode, EXPAND_NORMAL);
if (!optimize_size)
if (optimize_insn_for_speed_p ())
{
/* See if we can store by pieces into (dst + strlen(dst)). */
tree newsrc, newdst,

2
gcc/expmed.c
View file

@ -3487,7 +3487,7 @@ expand_smod_pow2 (enum machine_mode mode, rtx op0, HOST_WIDE_INT d)
/* Avoid conditional branches when they're expensive. */
if (BRANCH_COST >= 2
&& !optimize_size)
&& optimize_insn_for_speed_p ())
{
rtx signmask = emit_store_flag (result, LT, op0, const0_rtx,
mode, 0, -1);

2
gcc/optabs.c
View file

@ -1786,7 +1786,7 @@ expand_binop (enum machine_mode mode, optab binoptab, rtx op0, rtx op1,
if ((binoptab == lshr_optab || binoptab == ashl_optab
|| binoptab == ashr_optab)
&& mclass == MODE_INT
&& (GET_CODE (op1) == CONST_INT || !optimize_size)
&& (GET_CODE (op1) == CONST_INT || optimize_insn_for_speed_p ())
&& GET_MODE_SIZE (mode) == 2 * UNITS_PER_WORD
&& optab_handler (binoptab, word_mode)->insn_code != CODE_FOR_nothing
&& optab_handler (ashl_optab, word_mode)->insn_code != CODE_FOR_nothing