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x86: Update -mtune=tremont

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Silvermont has a special handle in add_stmt_cost function, because it has in
order SIMD pipeline. But for Tremont, its SIMD pipeline is out of order,
remove Tremont from this special handle.

gcc/ChangeLog

	* config/i386/i386.c (ix86_vector_costs::add_stmt_cost): Remove Tremont.
This commit is contained in:
Cui,Lili 2021-11-26 11:16:43 +08:00 committed by Hongyu Wang
parent 213b7d9cf7
commit 35a4fe8091
1 changed files with 1 additions and 2 deletions
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3
gcc/config/i386/i386.c
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@ -23144,8 +23144,7 @@ ix86_vector_costs::add_stmt_cost (int count, vect_cost_for_stmt kind,
for Silvermont as it has out of order integer pipeline and can execute
2 scalar instruction per tick, but has in order SIMD pipeline. */
if ((TARGET_CPU_P (SILVERMONT) || TARGET_CPU_P (GOLDMONT)
|| TARGET_CPU_P (GOLDMONT_PLUS) || TARGET_CPU_P (TREMONT)
|| TARGET_CPU_P (INTEL))
|| TARGET_CPU_P (GOLDMONT_PLUS) || TARGET_CPU_P (INTEL))
&& stmt_info && stmt_info->stmt)
{
tree lhs_op = gimple_get_lhs (stmt_info->stmt);