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authorRichard Henderson <rth@redhat.com>2012-07-10 08:25:20 +0000
committerRichard Henderson <rth@redhat.com>2012-07-10 08:25:20 +0000
commit3967a49f3a06169e7ef351767077bdf8748fde4f (patch)
tree92ca34cfac26d6253011a1acbd60501bca8cdf7a /gcc/optabs.h
parent42afa16f0ea0b29a2f662896c6ed89863db6e433 (diff)
Move vector highpart emulation to the optabs layer
* expmed.c (expmed_mult_highpart): Rename from expand_mult_highpart. (expmed_mult_highpart_optab): Rename from expand_mult_highpart_optab. * optabs.c (can_mult_highpart_p): New. (expand_mult_highpart): New. * expr.c (expand_expr_real_2) [MULT_HIGHPART_EXPR): Use it. * tree-vect-generic.c (expand_vector_operations_1): Don't expand by pieces if can_mult_highpart_p. (expand_vector_divmod): Use can_mult_highpart_p and always generate MULT_HIGHPART_EXPR. * tree-vect-patterns.c (vect_recog_divmod_pattern): Likewise. * tree-vect-stmts.c (vectorizable_operation): Likewise. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@189407 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/optabs.h')
-rw-r--r--gcc/optabs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/optabs.h b/gcc/optabs.h
index 37a6bfd9415..8b04e17e7b3 100644
--- a/gcc/optabs.h
+++ b/gcc/optabs.h
@@ -1014,6 +1014,12 @@ extern bool can_vec_perm_p (enum machine_mode, bool, const unsigned char *);
/* Generate code for VEC_PERM_EXPR. */
extern rtx expand_vec_perm (enum machine_mode, rtx, rtx, rtx, rtx);
+/* Return non-zero if target supports a given highpart multiplication. */
+extern int can_mult_highpart_p (enum machine_mode, bool);
+
+/* Generate code for MULT_HIGHPART_EXPR. */
+extern rtx expand_mult_highpart (enum machine_mode, rtx, rtx, rtx, bool);
+
/* Return the insn used to implement mode MODE of OP, or CODE_FOR_nothing
if the target does not have such an insn. */