gallivm: Actually do floor/ceil/trunc for scalars.

Also start axing the code duplication for scalar case. The olution is to
treat the scalar case specially in a few innermost functions, and leave
outer functions untouched.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_const.c b/src/gallium/auxiliary/gallivm/lp_bld_const.c
index 57843e9a60c..031ce9d1a37 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_const.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_const.c
@@ -301,6 +301,9 @@ lp_build_const_vec(struct lp_type type,
       elems[0] = LLVMConstInt(elem_type, val*dscale + 0.5, 0);
    }
 
+   if (type.length == 1)
+      return elems[0];
+
    for(i = 1; i < type.length; ++i)
       elems[i] = elems[0];
 
@@ -321,6 +324,9 @@ lp_build_const_int_vec(struct lp_type type,
    for(i = 0; i < type.length; ++i)
       elems[i] = LLVMConstInt(elem_type, val, type.sign ? 1 : 0);
 
+   if (type.length == 1)
+      return elems[0];
+
    return LLVMConstVector(elems, type.length);
 }