Mesa (master): ac: add imad & fmad helpers

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Module: Mesa
Branch: master
Commit: 659f2e0fcb14be56ffd2cccba3e25439e1501e40
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=659f2e0fcb14be56ffd2cccba3e25439e1501e40

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Tue Aug 14 01:49:49 2018 -0400

ac: add imad & fmad helpers

Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>

---

 src/amd/common/ac_llvm_build.c | 14 ++++++++++++++
 src/amd/common/ac_llvm_build.h |  4 ++++
 2 files changed, 18 insertions(+)

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index c89bdf49fa..6d5bfb1a1b 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -1969,6 +1969,20 @@ LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 				  AC_FUNC_ATTR_READNONE);
 }
 
+LLVMValueRef ac_build_imad(struct ac_llvm_context *ctx, LLVMValueRef s0,
+			   LLVMValueRef s1, LLVMValueRef s2)
+{
+	return LLVMBuildAdd(ctx->builder,
+			    LLVMBuildMul(ctx->builder, s0, s1, ""), s2, "");
+}
+
+LLVMValueRef ac_build_fmad(struct ac_llvm_context *ctx, LLVMValueRef s0,
+			   LLVMValueRef s1, LLVMValueRef s2)
+{
+	return LLVMBuildFAdd(ctx->builder,
+			     LLVMBuildFMul(ctx->builder, s0, s1, ""), s2, "");
+}
+
 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16)
 {
 	LLVMValueRef args[1] = {
diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h
index 84212f0d45..d11a6ebb1b 100644
--- a/src/amd/common/ac_llvm_build.h
+++ b/src/amd/common/ac_llvm_build.h
@@ -398,6 +398,10 @@ void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 			  LLVMValueRef offset, LLVMValueRef width,
 			  bool is_signed);
+LLVMValueRef ac_build_imad(struct ac_llvm_context *ctx, LLVMValueRef s0,
+			   LLVMValueRef s1, LLVMValueRef s2);
+LLVMValueRef ac_build_fmad(struct ac_llvm_context *ctx, LLVMValueRef s0,
+			   LLVMValueRef s1, LLVMValueRef s2);
 
 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16);