Fix logic error in IncSP-to-Push/Pop optimisation, which caused the optimisation...

[r19361]

diff --git a/ir/be/ia32/ia32_optimize.c b/ir/be/ia32/ia32_optimize.c
index b6fc4d7..fcf1e85 100644 (file)
--- a/ir/be/ia32/ia32_optimize.c
+++ b/ir/be/ia32/ia32_optimize.c
@@ -570,10 +570,10 @@ static void peephole_be_IncSP(ir_node *node)
 
        /* replace IncSP -4 by Pop freereg when possible */
        offset = be_get_IncSP_offset(node);
-       if (!(offset == -4 && !ia32_cg_config.use_add_esp_4) &&
-           !(offset == -8 && !ia32_cg_config.use_add_esp_8) &&
-           !(offset == +4 && !ia32_cg_config.use_sub_esp_4) &&
-           !(offset == +8 && !ia32_cg_config.use_sub_esp_8))
+       if ((offset != -8 || !ia32_cg_config.use_add_esp_8) &&
+                       (offset != -4 || !ia32_cg_config.use_add_esp_4) &&
+                       (offset != +4 || !ia32_cg_config.use_sub_esp_4) &&
+                       (offset != +8 || !ia32_cg_config.use_sub_esp_8))
                return;
 
        if (offset < 0) {