From: Dale Weiler <weilercdale@gmail.com>
Date: Fri, 26 Mar 2021 22:57:31 +0000 (-0400)
Subject: set m_op as well when doing a-(-b) => a+b peephole
X-Git-Tag: xonotic-v0.8.5~9
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=13bcb5c5b16b9c9b34fcdd2ad4f2acf6151d14ab;p=xonotic%2Fgmqcc.git

set m_op as well when doing a-(-b) => a+b peephole
---

diff --git a/ast.cpp b/ast.cpp
index 7b444f8..6d3b28a 100644
--- a/ast.cpp
+++ b/ast.cpp
@@ -301,11 +301,11 @@ ast_binary::ast_binary(lex_ctx_t ctx, int op,
         /* make a-(-b) => a + b */
         if (unary->m_op == VINSTR_NEG_F || unary->m_op == VINSTR_NEG_V) {
             if (op == INSTR_SUB_F) {
-                op = INSTR_ADD_F;
+                op = m_op = INSTR_ADD_F;
                 right = normal;
                 ++opts_optimizationcount[OPTIM_PEEPHOLE];
             } else if (op == INSTR_SUB_V) {
-                op = INSTR_ADD_V;
+                op = m_op = INSTR_ADD_V;
                 right = normal;
                 ++opts_optimizationcount[OPTIM_PEEPHOLE];
             }