* genopinit.c (vec_shl_optab, vec_shr_optab): Initialize new optabs.

        (reduc_plus_optab): Removed.  Replcaed with...
        (reduc_splus_optab, reduc_uplus_optab): Initialize new optabs.
        * optabs.c (optab_for_tree_code): Return reduc_splus_optab or
        reduc_uplus_optab instead of reduc_plus_optab.
        (expand_vec_shift_expr): New function.
        (init_optabs): Initialize new optabs. Remove initialization of
        reduc_plus_optab.
        (optab_for_tree_code): Return vec_shl_optab/vec_shr_optab
        for VEC_LSHIFT_EXPR/VEC_RSHIFT_EXPR.
        * optabs.h (OTI_reduc_plus): Removed. Replaced with...
        (OTI_reduc_splus, OTI_reduc_uplus): New.
        (reduc_plus_optab): Removed.  Replcaed with...
        (reduc_splus_optab, reduc_uplus_optab): New optabs.
        (vec_shl_optab, vec_shr_optab): New optabs.
        (expand_vec_shift_expr): New function declaration.

        * tree.def (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR): New tree-codes.
        * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
        * expr.c (expand_expr_real_1): Handle new tree-codes.
        * tree-pretty-print.c (dump_generic_node, op_symbol, op_prio): Likewise.
        * tree-vect-generic.c (expand_vector_operations_1): Add assert.

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Add two
        alternatives for generating reduction epilog code.
        (vectorizable_reduction): Don't fail of direct reduction support is
        not available.
        (vectorizable_target_reduction_pattern): Likewise.

        * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
        reduc_umax_v4si, reduc_smin_v4si, reduc_smin_v4sf, reduc_umin_v4si,
        reduc_plus_v4si, reduc_plus_v4sf): Removed.
        (vec_shl_<mode>, vec_shr_<mode>, altivec_vsumsws_nomode,
        reduc_splus_<mode>, reduc_uplus_v16qi): New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101231 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 2 deletions

diff --git a/gcc/optabs.h b/gcc/optabs.h
index 2495fedef0b..91afce35a96 100644
--- a/gcc/optabs.h
+++ b/gcc/optabs.h
@@ -236,7 +236,8 @@ enum optab_index
   OTI_reduc_umax,
   OTI_reduc_smin,
   OTI_reduc_umin,
-  OTI_reduc_plus,
+  OTI_reduc_splus,
+  OTI_reduc_uplus,
 
   /* Set specified field of vector operand.  */
   OTI_vec_set,
@@ -244,6 +245,9 @@ enum optab_index
   OTI_vec_extract,
   /* Initialize vector operand.  */
   OTI_vec_init,
+  /* Whole vector shift. The shift amount is in bits.  */
+  OTI_vec_shl,
+  OTI_vec_shr,
   /* Extract specified elements from vectors, for vector load.  */
   OTI_vec_realign_load,
 
@@ -358,11 +362,14 @@ extern GTY(()) optab optab_table[OTI_MAX];
 #define reduc_umax_optab (optab_table[OTI_reduc_umax])
 #define reduc_smin_optab (optab_table[OTI_reduc_smin])
 #define reduc_umin_optab (optab_table[OTI_reduc_umin])
-#define reduc_plus_optab (optab_table[OTI_reduc_plus])
+#define reduc_splus_optab (optab_table[OTI_reduc_splus])
+#define reduc_uplus_optab (optab_table[OTI_reduc_uplus])
 
 #define vec_set_optab (optab_table[OTI_vec_set])
 #define vec_extract_optab (optab_table[OTI_vec_extract])
 #define vec_init_optab (optab_table[OTI_vec_init])
+#define vec_shl_optab (optab_table[OTI_vec_shl])
+#define vec_shr_optab (optab_table[OTI_vec_shr])
 #define vec_realign_load_optab (optab_table[OTI_vec_realign_load])
 
 #define powi_optab (optab_table[OTI_powi])
@@ -575,4 +582,7 @@ bool expand_vec_cond_expr_p (tree, enum machine_mode);
 /* Generate code for VEC_COND_EXPR.  */
 extern rtx expand_vec_cond_expr (tree, rtx);
 
+/* Generate code for VEC_LSHIFT_EXPR and VEC_RSHIFT_EXPR.  */
+extern rtx expand_vec_shift_expr (tree, rtx);
+
 #endif /* GCC_OPTABS_H */