Default to strict IEEE floating point

Closes #1227.

3 files changed, 10 insertions, 10 deletions

diff --git a/src/all_types.hpp b/src/all_types.hpp
index b1e8a3746d..a8dd9dde83 100644
--- a/src/all_types.hpp
+++ b/src/all_types.hpp
@@ -1852,7 +1852,7 @@ struct ScopeDecls {
     HashMap<Buf *, Tld *, buf_hash, buf_eql_buf> decl_table;
     bool safety_off;
     AstNode *safety_set_node;
-    bool fast_math_off;
+    bool fast_math_on;
     AstNode *fast_math_set_node;
     ImportTableEntry *import;
     // If this is a scope from a container, this is the type entry, otherwise null
@@ -1872,7 +1872,7 @@ struct ScopeBlock {
 
     bool safety_off;
     AstNode *safety_set_node;
-    bool fast_math_off;
+    bool fast_math_on;
     AstNode *fast_math_set_node;
 };
 
diff --git a/src/codegen.cpp b/src/codegen.cpp
index 16595be9dd..e926d14a7e 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -829,15 +829,15 @@ static bool ir_want_fast_math(CodeGen *g, IrInstruction *instruction) {
         if (scope->id == ScopeIdBlock) {
             ScopeBlock *block_scope = (ScopeBlock *)scope;
             if (block_scope->fast_math_set_node)
-                return !block_scope->fast_math_off;
+                return block_scope->fast_math_on;
         } else if (scope->id == ScopeIdDecls) {
             ScopeDecls *decls_scope = (ScopeDecls *)scope;
             if (decls_scope->fast_math_set_node)
-                return !decls_scope->fast_math_off;
+                return decls_scope->fast_math_on;
         }
         scope = scope->parent;
     }
-    return true;
+    return false;
 }
 
 static bool ir_want_runtime_safety(CodeGen *g, IrInstruction *instruction) {
diff --git a/src/ir.cpp b/src/ir.cpp
index 6ee44b507d..32650204a6 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -15200,17 +15200,17 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,
         return ira->codegen->builtin_types.entry_void;
     }
 
-    bool *fast_math_off_ptr;
+    bool *fast_math_on_ptr;
     AstNode **fast_math_set_node_ptr;
     if (target_type->id == TypeTableEntryIdBlock) {
         ScopeBlock *block_scope = (ScopeBlock *)target_val->data.x_block;
-        fast_math_off_ptr = &block_scope->fast_math_off;
+        fast_math_on_ptr = &block_scope->fast_math_on;
         fast_math_set_node_ptr = &block_scope->fast_math_set_node;
     } else if (target_type->id == TypeTableEntryIdFn) {
         assert(target_val->data.x_ptr.special == ConstPtrSpecialFunction);
         FnTableEntry *target_fn = target_val->data.x_ptr.data.fn.fn_entry;
         assert(target_fn->def_scope);
-        fast_math_off_ptr = &target_fn->def_scope->fast_math_off;
+        fast_math_on_ptr = &target_fn->def_scope->fast_math_on;
         fast_math_set_node_ptr = &target_fn->def_scope->fast_math_set_node;
     } else if (target_type->id == TypeTableEntryIdMetaType) {
         ScopeDecls *decls_scope;
@@ -15226,7 +15226,7 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,
                 buf_sprintf("expected scope reference, found type '%s'", buf_ptr(&type_arg->name)));
             return ira->codegen->builtin_types.entry_invalid;
         }
-        fast_math_off_ptr = &decls_scope->fast_math_off;
+        fast_math_on_ptr = &decls_scope->fast_math_on;
         fast_math_set_node_ptr = &decls_scope->fast_math_set_node;
     } else {
         ir_add_error_node(ira, target_instruction->source_node,
@@ -15248,7 +15248,7 @@ static TypeTableEntry *ir_analyze_instruction_set_float_mode(IrAnalyze *ira,
         return ira->codegen->builtin_types.entry_invalid;
     }
     *fast_math_set_node_ptr = source_node;
-    *fast_math_off_ptr = (float_mode_scalar == FloatModeStrict);
+    *fast_math_on_ptr = (float_mode_scalar == FloatModeOptimized);
 
     ir_build_const_from(ira, &instruction->base);
     return ira->codegen->builtin_types.entry_void;