diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index e19864d..184b721 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -51133,19 +51133,20 @@ ix86_add_stmt_cost (void *data, int count, enum vect_cost_for_stmt kind, tree vectype = stmt_info ? stmt_vectype (stmt_info) : NULL_TREE; int stmt_cost = - 1; + bool fp = false; + machine_mode mode = TImode; + + if (vectype != NULL) + { + fp = FLOAT_TYPE_P (vectype); + mode = TYPE_MODE (vectype); + } + if ((kind == vector_stmt || kind == scalar_stmt) && stmt_info && stmt_info->stmt && gimple_code (stmt_info->stmt) == GIMPLE_ASSIGN) { tree_code subcode = gimple_assign_rhs_code (stmt_info->stmt); - bool fp = false; - machine_mode mode = TImode; - - if (vectype != NULL) - { - fp = FLOAT_TYPE_P (vectype); - mode = TYPE_MODE (vectype); - } /*machine_mode inner_mode = mode; if (VECTOR_MODE_P (mode)) inner_mode = GET_MODE_INNER (mode);*/ @@ -51176,12 +51177,6 @@ ix86_add_stmt_cost (void *data, int count, enum vect_cost_for_stmt kind, case MULT_HIGHPART_EXPR: stmt_cost = ix86_multiplication_cost (ix86_cost, mode); break; - case FMA_EXPR: - stmt_cost = ix86_vec_cost (mode, - mode == SFmode ? ix86_cost->fmass - : ix86_cost->fmasd, - true); - break; case NEGATE_EXPR: if (SSE_FLOAT_MODE_P (mode) && TARGET_SSE_MATH) stmt_cost = ix86_cost->sse_op; @@ -51244,6 +51239,24 @@ ix86_add_stmt_cost (void *data, int count, enum vect_cost_for_stmt kind, break; } } + + combined_fn cfn; + if ((kind == vector_stmt || kind == scalar_stmt) + && stmt_info + && stmt_info->stmt + && (cfn = gimple_call_combined_fn (stmt_info->stmt)) != CFN_LAST) + switch (cfn) + { + case CFN_FMA: + stmt_cost = ix86_vec_cost (mode, + mode == SFmode ? ix86_cost->fmass + : ix86_cost->fmasd, + true); + break; + default: + break; + } + /* If we do elementwise loads into a vector then we are bound by latency and execution resources for the many scalar loads (AGU and load ports). Try to account for this by scaling the |