implement some int to float conversions

[r27738]

diff --git a/ir/be/arm/arm_new_nodes.c b/ir/be/arm/arm_new_nodes.c
index bab6c92..f4dc304 100644 (file)
--- a/ir/be/arm/arm_new_nodes.c
+++ b/ir/be/arm/arm_new_nodes.c
@@ -91,7 +91,8 @@ static bool has_cmp_attr(const ir_node *node)
 
 static bool has_farith_attr(const ir_node *node)
 {
-       return is_arm_Dvf(node) || is_arm_Adf(node);
+       return is_arm_Adf(node) || is_arm_Muf(node) || is_arm_Suf(node)
+           || is_arm_Dvf(node) || is_arm_Mvf(node) || is_arm_FltX(node);
 }
 
 /**

diff --git a/ir/be/arm/arm_spec.pl b/ir/be/arm/arm_spec.pl
index 42410f4..d65f3e1 100644 (file)
--- a/ir/be/arm/arm_spec.pl
+++ b/ir/be/arm/arm_spec.pl
@@ -515,6 +515,15 @@ Mvf => {
        mode      => $mode_fp,
 },
 
+FltX => {
+       irn_flags => "R",
+       reg_req   => { in => [ "gp" ], out => [ "fpa" ] },
+       emit      => '. flt%AM %D0, %S0',
+       attr_type => "arm_farith_attr_t",
+       attr      => "ir_mode *op_mode",
+       mode      => $mode_fp,
+},
+
 Cmfe => {
        irn_flags => "R|F",
        mode      => $mode_flags,

diff --git a/ir/be/arm/arm_transform.c b/ir/be/arm/arm_transform.c
index 4ded99b..59514e8 100644 (file)
--- a/ir/be/arm/arm_transform.c
+++ b/ir/be/arm/arm_transform.c
@@ -227,7 +227,11 @@ static ir_node *gen_Conv(ir_node *node)
                                }
                        } else {
                                /* from int to float */
-                               panic("TODO");
+                               if (!mode_is_signed(src_mode)) {
+                                       panic("TODO");
+                               } else {
+                                       return new_bd_arm_FltX(dbg, block, new_op, dst_mode);
+                               }
                        }
                } else if (USE_VFP(env_cg->isa)) {
                        panic("VFP not supported yet");
@@ -524,7 +528,7 @@ static ir_node *gen_Sub(ir_node *node)
                }
        } else {
                return gen_int_binop(node, MATCH_SIZE_NEUTRAL,
-                               new_bd_arm_Sub_reg, new_bd_arm_Sub_imm);
+                                    new_bd_arm_Sub_reg, new_bd_arm_Sub_imm);
        }
 }