X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;ds=sidebyside;f=fold.c;h=d90887da2ae2012ab17f55fe193a7b70d8866e9b;hb=1bf9ebabcce7731b83c302e8416bba41c3cdf5da;hp=40580e45a168216482d39b2f15cbbc0b34a9652c;hpb=ac7e1a557d6dde0fc201e74c23446a65d5b8a142;p=xonotic%2Fgmqcc.git

diff --git a/fold.c b/fold.c
index 40580e4..d90887d 100644
--- a/fold.c
+++ b/fold.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012, 2013
+ * Copyright (C) 2012, 2013, 2014
  *     Dale Weiler
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ -550,13 +550,13 @@ static GMQCC_INLINE ast_expression *fold_op_xor(fold_t *fold, ast_value *a, ast_
 
 static GMQCC_INLINE ast_expression *fold_op_lshift(fold_t *fold, ast_value *a, ast_value *b) {
     if (fold_can_2(a, b) && isfloats(a, b))
-        return fold_constgen_float(fold, (qcfloat_t)((qcuint_t)(fold_immvalue_float(a)) << (qcuint_t)(fold_immvalue_float(b))));
+        return fold_constgen_float(fold, (qcfloat_t)(((qcuint_t)(floorf(fold_immvalue_float(a) * powf(2.0f, fold_immvalue_float(b))))) & 0xFFFFFF));
     return NULL;
 }
 
 static GMQCC_INLINE ast_expression *fold_op_rshift(fold_t *fold, ast_value *a, ast_value *b) {
     if (fold_can_2(a, b) && isfloats(a, b))
-        return fold_constgen_float(fold, (qcfloat_t)((qcuint_t)(fold_immvalue_float(a)) >> (qcuint_t)(fold_immvalue_float(b))));
+        return fold_constgen_float(fold, (qcfloat_t)(((qcuint_t)(floorf(fold_immvalue_float(a) / powf(2.0f, fold_immvalue_float(b))))) & 0xFFFFFF));
     return NULL;
 }
 
@@ -606,10 +606,15 @@ static GMQCC_INLINE ast_expression *fold_op_lteqgt(fold_t *fold, ast_value *a, a
 
 static GMQCC_INLINE ast_expression *fold_op_cmp(fold_t *fold, ast_value *a, ast_value *b, bool ne) {
     if (fold_can_2(a, b)) {
-        if (isfloat(a) && isfloat(b))
-            return fold_constgen_float(fold, ne != (fold_immvalue_float(a) == fold_immvalue_float(b)));
-        if (isvector(a) && isvector(b))
-            return fold_constgen_float(fold, ne != vec3_cmp(fold_immvalue_vector(a), fold_immvalue_vector(b)));
+        if (isfloat(a) && isfloat(b)) {
+            float la = fold_immvalue_float(a);
+            float lb = fold_immvalue_float(b);
+            return (ast_expression*)fold->imm_float[!(ne ? la == lb : la != lb)];
+        } if (isvector(a) && isvector(b)) {
+            vec3_t la = fold_immvalue_vector(a);
+            vec3_t lb = fold_immvalue_vector(b);
+            return (ast_expression*)fold->imm_float[!(ne ? vec3_cmp(la, lb) : !vec3_cmp(la, lb))];
+        }
     }
     return NULL;
 }