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-rw-r--r--asmcomp/arm/emit.mlp30
1 files changed, 15 insertions, 15 deletions
diff --git a/asmcomp/arm/emit.mlp b/asmcomp/arm/emit.mlp
index 2f20ecf61a..61035b85fd 100644
--- a/asmcomp/arm/emit.mlp
+++ b/asmcomp/arm/emit.mlp
@@ -273,7 +273,7 @@ let function_name = ref ""
(* Entry point for tail recursive calls *)
let tailrec_entry_point = ref 0
(* Pending floating-point literals *)
-let float_literals = ref ([] : (string * label) list)
+let float_literals = ref ([] : (int64 * label) list)
(* Pending relative references to the global offset table *)
let gotrel_literals = ref ([] : (label * label) list)
(* Pending symbol literals *)
@@ -283,12 +283,13 @@ let num_literals = ref 0
(* Label a floating-point literal *)
let float_literal f =
+ let repr = Int64.bits_of_float f in
try
- List.assoc f !float_literals
+ List.assoc repr !float_literals
with Not_found ->
let lbl = new_label() in
num_literals := !num_literals + 2;
- float_literals := (f, lbl) :: !float_literals;
+ float_literals := (repr, lbl) :: !float_literals;
lbl
(* Label a GOTREL literal *)
@@ -314,7 +315,7 @@ let emit_literals() =
` .align 3\n`;
List.iter
(fun (f, lbl) ->
- `{emit_label lbl}: .double {emit_string f}\n`)
+ `{emit_label lbl}:`; emit_float64_split_directive ".long" f)
!float_literals;
float_literals := []
end;
@@ -390,8 +391,7 @@ let emit_instr i =
| Lop(Iconst_int n | Iconst_blockheader n) ->
emit_intconst i.res.(0) (Nativeint.to_int32 n)
| Lop(Iconst_float f) when !fpu = Soft ->
- ` @ {emit_string f}\n`;
- let bits = Int64.bits_of_float (float_of_string f) in
+ let bits = Int64.bits_of_float f in
let high_bits = Int64.to_int32 (Int64.shift_right_logical bits 32)
and low_bits = Int64.to_int32 bits in
if is_immediate low_bits || is_immediate high_bits then begin
@@ -406,7 +406,7 @@ let emit_instr i =
end
| Lop(Iconst_float f) when !fpu = VFPv2 ->
let lbl = float_literal f in
- ` fldd {emit_reg i.res.(0)}, {emit_label lbl} @ {emit_string f}\n`;
+ ` fldd {emit_reg i.res.(0)}, {emit_label lbl}\n`;
1
| Lop(Iconst_float f) ->
let encode imm =
@@ -425,12 +425,12 @@ let emit_instr i =
let ex = ((ex + 3) land 0x07) lxor 0x04 in
Some((sg lsl 7) lor (ex lsl 4) lor mn)
end in
- begin match encode (Int64.bits_of_float (float_of_string f)) with
+ begin match encode (Int64.bits_of_float f) with
None ->
let lbl = float_literal f in
- ` fldd {emit_reg i.res.(0)}, {emit_label lbl} @ {emit_string f}\n`
+ ` fldd {emit_reg i.res.(0)}, {emit_label lbl}\n`
| Some imm8 ->
- ` fconstd {emit_reg i.res.(0)}, #{emit_int imm8} @ {emit_string f}\n`
+ ` fconstd {emit_reg i.res.(0)}, #{emit_int imm8}\n`
end; 1
| Lop(Iconst_symbol s) ->
emit_load_symbol_addr i.res.(0) s
@@ -508,10 +508,10 @@ let emit_instr i =
| Double_u -> "fldd"
| _ (* 32-bit quantities *) -> "ldr" in
` {emit_string instr} {emit_reg r}, {emit_addressing addr i.arg 0}\n`; 1
- | Lop(Istore(Single, addr)) when !fpu >= VFPv2 ->
+ | Lop(Istore(Single, addr, _)) when !fpu >= VFPv2 ->
` fcvtsd s14, {emit_reg i.arg.(0)}\n`;
` fsts s14, {emit_addressing addr i.arg 1}\n`; 2
- | Lop(Istore((Double | Double_u), addr)) when !fpu = Soft ->
+ | Lop(Istore((Double | Double_u), addr, _)) when !fpu = Soft ->
(* Use STM or STRD if possible *)
begin match i.arg.(0), i.arg.(1), addr with
{loc = Reg rt}, {loc = Reg rt2}, Iindexed 0
@@ -525,7 +525,7 @@ let emit_instr i =
` str {emit_reg i.arg.(0)}, {emit_addressing addr i.arg 2}\n`;
` str {emit_reg i.arg.(1)}, {emit_addressing addr' i.arg 2}\n`; 2
end
- | Lop(Istore(size, addr)) ->
+ | Lop(Istore(size, addr, _)) ->
let r = i.arg.(0) in
let instr =
match size with
@@ -874,8 +874,8 @@ let emit_item = function
| Cint16 n -> ` .short {emit_int n}\n`
| Cint32 n -> ` .long {emit_int32 (Nativeint.to_int32 n)}\n`
| Cint n -> ` .long {emit_int32 (Nativeint.to_int32 n)}\n`
- | Csingle f -> ` .single {emit_string f}\n`
- | Cdouble f -> ` .double {emit_string f}\n`
+ | Csingle f -> emit_float32_directive ".long" (Int32.bits_of_float f)
+ | Cdouble f -> emit_float64_split_directive ".long" (Int64.bits_of_float f)
| Csymbol_address s -> ` .word {emit_symbol s}\n`
| Clabel_address lbl -> ` .word {emit_data_label lbl}\n`
| Cstring s -> emit_string_directive " .ascii " s