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Diffstat (limited to 'gcc/config/i386/i386.cc')
-rw-r--r--gcc/config/i386/i386.cc98
1 files changed, 61 insertions, 37 deletions
diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
index 49bd393..613f2b2 100644
--- a/gcc/config/i386/i386.cc
+++ b/gcc/config/i386/i386.cc
@@ -12442,6 +12442,28 @@ static GTY(()) rtx ix86_tls_symbol;
static rtx
ix86_tls_get_addr (void)
{
+ if (cfun->machine->call_saved_registers
+ == TYPE_NO_CALLER_SAVED_REGISTERS)
+ {
+ /* __tls_get_addr doesn't preserve vector registers. When a
+ function with no_caller_saved_registers attribute calls
+ __tls_get_addr, YMM and ZMM registers will be clobbered.
+ Issue an error and suggest -mtls-dialect=gnu2 in this case. */
+ if (cfun->machine->func_type == TYPE_NORMAL)
+ error (G_("%<-mtls-dialect=gnu2%> must be used with a function"
+ " with the %<no_caller_saved_registers%> attribute"));
+ else
+ error (cfun->machine->func_type == TYPE_EXCEPTION
+ ? G_("%<-mtls-dialect=gnu2%> must be used with an"
+ " exception service routine")
+ : G_("%<-mtls-dialect=gnu2%> must be used with an"
+ " interrupt service routine"));
+ /* Don't issue the same error twice. */
+ cfun->machine->func_type = TYPE_NORMAL;
+ cfun->machine->call_saved_registers
+ = TYPE_DEFAULT_CALL_SAVED_REGISTERS;
+ }
+
if (!ix86_tls_symbol)
{
const char *sym
@@ -21491,8 +21513,7 @@ ix86_hard_regno_nregs (unsigned int regno, machine_mode mode)
/* Register pair for mask registers. */
if (mode == P2QImode || mode == P2HImode)
return 2;
- if (mode == V64SFmode || mode == V64SImode)
- return 4;
+
return 1;
}
@@ -24788,6 +24809,12 @@ static void map_egpr_constraints (vec<const char *> &constraints)
buf.safe_push (cur[j + 1]);
j++;
break;
+ case '{':
+ do
+ {
+ buf.safe_push (cur[j]);
+ } while (cur[j++] != '}');
+ break;
default:
buf.safe_push (cur[j]);
break;
@@ -25205,20 +25232,14 @@ asm_preferred_eh_data_format (int code, int global)
return DW_EH_PE_absptr;
}
-/* Implement targetm.vectorize.builtin_vectorization_cost. */
+/* Worker for ix86_builtin_vectorization_cost and the fallback calls
+ from ix86_vector_costs::add_stmt_cost. */
static int
-ix86_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
- tree vectype, int)
+ix86_default_vector_cost (enum vect_cost_for_stmt type_of_cost,
+ machine_mode mode)
{
- bool fp = false;
- machine_mode mode = TImode;
+ bool fp = FLOAT_MODE_P (mode);
int index;
- if (vectype != NULL)
- {
- fp = FLOAT_TYPE_P (vectype);
- mode = TYPE_MODE (vectype);
- }
-
switch (type_of_cost)
{
case scalar_stmt:
@@ -25277,14 +25298,14 @@ ix86_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
COSTS_N_INSNS
(ix86_cost->gather_static
+ ix86_cost->gather_per_elt
- * TYPE_VECTOR_SUBPARTS (vectype)) / 2);
+ * GET_MODE_NUNITS (mode)) / 2);
case vector_scatter_store:
return ix86_vec_cost (mode,
COSTS_N_INSNS
(ix86_cost->scatter_static
+ ix86_cost->scatter_per_elt
- * TYPE_VECTOR_SUBPARTS (vectype)) / 2);
+ * GET_MODE_NUNITS (mode)) / 2);
case cond_branch_taken:
return ix86_cost->cond_taken_branch_cost;
@@ -25302,7 +25323,7 @@ ix86_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
case vec_construct:
{
- int n = TYPE_VECTOR_SUBPARTS (vectype);
+ int n = GET_MODE_NUNITS (mode);
/* N - 1 element inserts into an SSE vector, the possible
GPR -> XMM move is accounted for in add_stmt_cost. */
if (GET_MODE_BITSIZE (mode) <= 128)
@@ -25330,6 +25351,17 @@ ix86_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
}
}
+/* Implement targetm.vectorize.builtin_vectorization_cost. */
+static int
+ix86_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
+ tree vectype, int)
+{
+ machine_mode mode = TImode;
+ if (vectype != NULL)
+ mode = TYPE_MODE (vectype);
+ return ix86_default_vector_cost (type_of_cost, mode);
+}
+
/* This function returns the calling abi specific va_list type node.
It returns the FNDECL specific va_list type. */
@@ -25783,7 +25815,7 @@ ix86_vectorize_create_costs (vec_info *vinfo, bool costing_for_scalar)
unsigned
ix86_vector_costs::add_stmt_cost (int count, vect_cost_for_stmt kind,
stmt_vec_info stmt_info, slp_tree node,
- tree vectype, int misalign,
+ tree vectype, int,
vect_cost_model_location where)
{
unsigned retval = 0;
@@ -26122,32 +26154,24 @@ ix86_vector_costs::add_stmt_cost (int count, vect_cost_for_stmt kind,
(AGU and load ports). Try to account for this by scaling the
construction cost by the number of elements involved. */
if ((kind == vec_construct || kind == vec_to_scalar)
- && ((stmt_info
- && (STMT_VINFO_TYPE (stmt_info) == load_vec_info_type
- || STMT_VINFO_TYPE (stmt_info) == store_vec_info_type)
- && ((STMT_VINFO_MEMORY_ACCESS_TYPE (stmt_info) == VMAT_ELEMENTWISE
- && (TREE_CODE (DR_STEP (STMT_VINFO_DATA_REF (stmt_info)))
+ && ((node
+ && (((SLP_TREE_MEMORY_ACCESS_TYPE (node) == VMAT_ELEMENTWISE
+ || (SLP_TREE_MEMORY_ACCESS_TYPE (node) == VMAT_STRIDED_SLP
+ && SLP_TREE_LANES (node) == 1))
+ && (TREE_CODE (DR_STEP (STMT_VINFO_DATA_REF
+ (SLP_TREE_REPRESENTATIVE (node))))
!= INTEGER_CST))
- || (STMT_VINFO_MEMORY_ACCESS_TYPE (stmt_info)
- == VMAT_GATHER_SCATTER)))
- || (node
- && (((SLP_TREE_MEMORY_ACCESS_TYPE (node) == VMAT_ELEMENTWISE
- || (SLP_TREE_MEMORY_ACCESS_TYPE (node) == VMAT_STRIDED_SLP
- && SLP_TREE_LANES (node) == 1))
- && (TREE_CODE (DR_STEP (STMT_VINFO_DATA_REF
- (SLP_TREE_REPRESENTATIVE (node))))
- != INTEGER_CST))
- || (SLP_TREE_MEMORY_ACCESS_TYPE (node)
- == VMAT_GATHER_SCATTER)))))
- {
- stmt_cost = ix86_builtin_vectorization_cost (kind, vectype, misalign);
+ || (SLP_TREE_MEMORY_ACCESS_TYPE (node)
+ == VMAT_GATHER_SCATTER)))))
+ {
+ stmt_cost = ix86_default_vector_cost (kind, mode);
stmt_cost *= (TYPE_VECTOR_SUBPARTS (vectype) + 1);
}
else if ((kind == vec_construct || kind == scalar_to_vec)
&& node
&& SLP_TREE_DEF_TYPE (node) == vect_external_def)
{
- stmt_cost = ix86_builtin_vectorization_cost (kind, vectype, misalign);
+ stmt_cost = ix86_default_vector_cost (kind, mode);
unsigned i;
tree op;
FOR_EACH_VEC_ELT (SLP_TREE_SCALAR_OPS (node), i, op)
@@ -26211,7 +26235,7 @@ ix86_vector_costs::add_stmt_cost (int count, vect_cost_for_stmt kind,
TREE_VISITED (op) = 0;
}
if (stmt_cost == -1)
- stmt_cost = ix86_builtin_vectorization_cost (kind, vectype, misalign);
+ stmt_cost = ix86_default_vector_cost (kind, mode);
if (kind == vec_perm && vectype
&& GET_MODE_SIZE (TYPE_MODE (vectype)) == 32)
generated by cgit v1.1 at 2025-07-31 01:55:55 +0000