Hi,
Add support for some of the vector multiply (sp,dp) operations in
the gimple folding. I missed these during an earlier pass that
added the other (mule, mulo) multiply operations. This change is
covered by the existing testcases for vector folding
(gcc.target/powerpc/fold-vec-mul-*.c).
Bootstrapped and tested on powerpc64le-unknown-linux-gnu, and
powerpc-unknown-linux, (p7,p8le,p8be) with no regressions.
Is this OK for trunk?
[gcc]
2017-05-10 Will Schmidt <[email protected]>
* config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
for
early GIMPLE expansion of vector multiplies.
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index a1b58e2..c4e03b4 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -16860,6 +16860,17 @@ rs6000_gimple_fold_builtin (gimple_stmt_iterator *gsi)
gsi_replace (gsi, g, true);
return true;
}
+ case VSX_BUILTIN_XVMULSP:
+ case VSX_BUILTIN_XVMULDP:
+ {
+ arg0 = gimple_call_arg (stmt, 0);
+ arg1 = gimple_call_arg (stmt, 1);
+ lhs = gimple_call_lhs (stmt);
+ gimple *g = gimple_build_assign (lhs, MULT_EXPR, arg0, arg1);
+ gimple_set_location (g, gimple_location (stmt));
+ gsi_replace (gsi, g, true);
+ return true;
+ }
/* Even element flavors of vec_mul (signed). */
case ALTIVEC_BUILTIN_VMULESB:
case ALTIVEC_BUILTIN_VMULESH:
