From 27a0b4f17ecb938e4026f172fdbbe73fd072e122 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sun, 4 Nov 2018 03:11:25 -0300
Subject: [PATCH] Add OpFNegate

---
 include/sirit/sirit.h    | 3 +++
 src/insts/arithmetic.cpp | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/include/sirit/sirit.h b/include/sirit/sirit.h
index 892158e..c4ae703 100644
--- a/include/sirit/sirit.h
+++ b/include/sirit/sirit.h
@@ -286,6 +286,9 @@ class Module {
 
     // Arithmetic
 
+    /// Floating-point subtract of Operand from zero.
+    Id OpFNegate(Id result_type, Id operand);
+
     /// Unsigned-integer division of Operand 1 divided by Operand 2.
     Id OpUDiv(Id result_type, Id operand_1, Id operand_2);
 
diff --git a/src/insts/arithmetic.cpp b/src/insts/arithmetic.cpp
index e785188..f002b0f 100644
--- a/src/insts/arithmetic.cpp
+++ b/src/insts/arithmetic.cpp
@@ -11,6 +11,13 @@
 
 namespace Sirit {
 
+#define DEFINE_UNARY(funcname, opcode)                                         \
+    Id Module::funcname(Id result_type, Id operand) {                          \
+        auto op{std::make_unique<Op>(opcode, bound++, result_type)};           \
+        op->Add(operand);                                                      \
+        return AddCode(std::move(op));                                         \
+    }
+
 #define DEFINE_BINARY(funcname, opcode)                                        \
     Id Module::funcname(Id result_type, Id operand_1, Id operand_2) {          \
         auto op{std::make_unique<Op>(opcode, bound++, result_type)};           \
@@ -19,6 +26,8 @@ namespace Sirit {
         return AddCode(std::move(op));                                         \
     }
 
+DEFINE_UNARY(OpFNegate, spv::Op::OpFNegate);
+
 DEFINE_BINARY(OpUDiv, spv::Op::OpUDiv)
 DEFINE_BINARY(OpIAdd, spv::Op::OpIAdd)