- in x87 mode, skipp ALL conv's before stores

- BugFix: handle float->int Conv and Store right for SSE

[r19870]

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index b98f6ff..5a2b917 100644 (file)
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -2513,26 +2513,30 @@ static ir_node *gen_normal_Store(ir_node *node)
        addr.mem = be_transform_node(mem);
 
        if (mode_is_float(mode)) {
-               /* convs (and strict-convs) before stores are unnecessary if the mode
-                  is the same */
-               while (is_Conv(val) && mode == get_irn_mode(get_Conv_op(val))) {
-                       val = get_Conv_op(val);
-               }
-               new_val = be_transform_node(val);
                if (ia32_cg_config.use_sse2) {
+                       /* Convs (and strict-Convs) before stores are unnecessary if the mode
+                          is the same. */
+                       while (is_Conv(val) && mode == get_irn_mode(get_Conv_op(val))) {
+                               val = get_Conv_op(val);
+                       }
+                       new_val = be_transform_node(val);
                        new_node = new_rd_ia32_xStore(dbgi, irg, new_block, addr.base,
                                                      addr.index, addr.mem, new_val);
                } else {
+                       /* We can skip ALL Convs (and strict-Convs) before stores. */
+                       while (is_Conv(val)) {
+                               val = get_Conv_op(val);
+                       }
+                       new_val = be_transform_node(val);
                        new_node = new_rd_ia32_vfst(dbgi, irg, new_block, addr.base,
                                                    addr.index, addr.mem, new_val, mode);
                }
                store = new_node;
-       } else if (is_float_to_int32_conv(val)) {
+       } else if (!ia32_cg_config.use_sse2 && is_float_to_int32_conv(val)) {
                val = get_Conv_op(val);
 
-               /* convs (and strict-convs) before stores are unnecessary if the mode
-                  is the same */
-               while(is_Conv(val) && mode == get_irn_mode(get_Conv_op(val))) {
+               /* We can skip ALL Convs (and strict-Convs) before stores. */
+               while (is_Conv(val)) {
                        val = get_Conv_op(val);
                }
                new_val  = be_transform_node(val);