Perform switch lowering before double-word lowering.

This fixes gcc/pr37285.c.

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index 6e62271..be4736e 100644 (file)
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -2053,6 +2053,12 @@ static void ia32_lower_for_target(void)
                lower_floating_point();
        }
 
+       for (i = 0; i < n_irgs; ++i) {
+               ir_graph *irg = get_irp_irg(i);
+               /* break up switches with wide ranges */
+               lower_switch(irg, 4, 256, false);
+       }
+
        ir_prepare_dw_lowering(&lower_dw_params);
        ir_lower_dw_ops();
 
@@ -2060,8 +2066,6 @@ static void ia32_lower_for_target(void)
                ir_graph *irg = get_irp_irg(i);
                /* lower for mode_b stuff */
                ir_lower_mode_b(irg, mode_Iu);
-               /* break up switches with wide ranges */
-               lower_switch(irg, 4, 256, false);
        }
 
        for (i = 0; i < n_irgs; ++i) {