From: Brian Paul <brianp@vmware.com>
Date: Wed, 17 Mar 2010 21:07:45 +0000 (-0600)
Subject: gallivm: added lp_build_andc()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2b8db4ce156fbd4d094f46fad0b8b3291b057fff;p=mesa.git

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 e2e533fa7ec..a3b69701162 100644
--- 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 d849d29e95d..00a8c750196 100644
--- 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 */