gallivm: added lp_build_andc()

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_logic.c b/src/gallium/auxiliary/gallivm/lp_bld_logic.c
index e2e533f..a3b6970 100644 (file)
--- a/src/gallium/auxiliary/gallivm/lp_bld_logic.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_logic.c
@@ -483,3 +483,13 @@ lp_build_alloca(struct lp_build_context *bld)
       return LLVMBuildAlloca(bld->builder, lp_build_elem_type(type), "");
    }
 }
+
+
+/** Return (a & ~b) */
+LLVMValueRef
+lp_build_andc(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
+{
+   b = LLVMBuildNot(bld->builder, b, "");
+   b = LLVMBuildAnd(bld->builder, a, b, "");
+   return b;
+}

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_logic.h b/src/gallium/auxiliary/gallivm/lp_bld_logic.h
index d849d29..00a8c75 100644 (file)
--- a/src/gallium/auxiliary/gallivm/lp_bld_logic.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_logic.h
@@ -79,4 +79,9 @@ lp_build_select_aos(struct lp_build_context *bld,
 LLVMValueRef
 lp_build_alloca(struct lp_build_context *bld);
 
+
+LLVMValueRef
+lp_build_andc(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
+
+
 #endif /* !LP_BLD_LOGIC_H */