diff options
Diffstat (limited to 'aarch64/TargetPrinter.ml')
| -rw-r--r-- | aarch64/TargetPrinter.ml | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/aarch64/TargetPrinter.ml b/aarch64/TargetPrinter.ml index 324bd727..5b3919d3 100644 --- a/aarch64/TargetPrinter.ml +++ b/aarch64/TargetPrinter.ml @@ -21,21 +21,6 @@ open AisAnnot open PrintAsmaux open Fileinfo -(* Recognition of FP numbers that are supported by the fmov #imm instructions: - "a normalized binary floating point encoding with 1 sign bit, - 4 bits of fraction and a 3-bit exponent" -*) - -let is_immediate_float64 bits = - let exp = (Int64.(to_int (shift_right_logical bits 52)) land 0x7FF) - 1023 in - let mant = Int64.logand bits 0xF_FFFF_FFFF_FFFFL in - exp >= -3 && exp <= 4 && Int64.logand mant 0xF_0000_0000_0000L = mant - -let is_immediate_float32 bits = - let exp = (Int32.(to_int (shift_right_logical bits 23)) land 0xFF) - 127 in - let mant = Int32.logand bits 0x7F_FFFFl in - exp >= -3 && exp <= 4 && Int32.logand mant 0x78_0000l = mant - (* Module containing the printing functions *) module Target (*: TARGET*) = @@ -431,7 +416,7 @@ module Target (*: TARGET*) = fprintf oc " fmov %a, %a\n" dreg rd dreg r1 | Pfmovimmd(rd, f) -> let d = camlint64_of_coqint (Floats.Float.to_bits f) in - if is_immediate_float64 d then + if Asmblock.is_immediate_float64 f then fprintf oc " fmov %a, #%.7f\n" dreg rd (Int64.float_of_bits d) else begin let lbl = label_literal64 d in @@ -440,7 +425,7 @@ module Target (*: TARGET*) = end | Pfmovimms(rd, f) -> let d = camlint_of_coqint (Floats.Float32.to_bits f) in - if is_immediate_float32 d then + if Asmblock.is_immediate_float32 f then fprintf oc " fmov %a, #%.7f\n" sreg rd (Int32.float_of_bits d) else begin let lbl = label_literal32 d in |