Do not silently truncate files on perlasm errors

[openssl.git] / crypto / bn / asm / c64xplus-gf2m.pl

diff --git a/crypto/bn/asm/c64xplus-gf2m.pl b/crypto/bn/asm/c64xplus-gf2m.pl
index cef83942c91840cc4e9ceedaf86fc57c1a8b0ed4..da9b24a5baa257d7902096abe99e635f5f612e28 100644 (file)
--- a/crypto/bn/asm/c64xplus-gf2m.pl
+++ b/crypto/bn/asm/c64xplus-gf2m.pl
@@ -1,4 +1,11 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
 #
 # ====================================================================
 # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
@@ -16,8 +23,7 @@
 # totally unfair, because this module utilizes Galois Field Multiply
 # instruction.
 
-while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {}
-open STDOUT,">$output";
+$output = pop and open STDOUT,">$output";
 
 ($rp,$a1,$a0,$b1,$b0)=("A4","B4","A6","B6","A8");   # argument vector
 
@@ -36,7 +42,7 @@ $code.=<<___;
        SHRU    $A,16,   $Ahi           ; smash $A to two halfwords
 ||     EXTU    $A,16,16,$Alo
 
-       XORMPY  $Alo,$B_2,$Alox2        ; 16x8 bits muliplication
+       XORMPY  $Alo,$B_2,$Alox2        ; 16x8 bits multiplication
 ||     XORMPY  $Ahi,$B_2,$Ahix2
 ||     EXTU    $B,16,24,$B_1
        XORMPY  $Alo,$B_0,$Alox0
@@ -108,31 +114,38 @@ ___
 $code.=<<___;
        .text
 
+       .if     .ASSEMBLER_VERSION<7000000
+       .asg    0,__TI_EABI__
+       .endif
+       .if     __TI_EABI__
+       .asg    bn_GF2m_mul_2x2,_bn_GF2m_mul_2x2
+       .endif
+
        .global _bn_GF2m_mul_2x2
 _bn_GF2m_mul_2x2:
        .asmfunc
        MVK     0xFF,$xFF
 ___
-       &mul_1x1_upper($a0,$b0);                # a0·b0
+       &mul_1x1_upper($a0,$b0);                # a0·b0
 $code.=<<___;
 ||     MV      $b1,$B
        MV      $a1,$A
 ___
-       &mul_1x1_merged("A28","B28",$A,$B);     # a0·b0/a1·b1
+       &mul_1x1_merged("A28","B28",$A,$B);     # a0·b0/a1·b1
 $code.=<<___;
 ||     XOR     $b0,$b1,$B
        XOR     $a0,$a1,$A
 ___
-       &mul_1x1_merged("A31","B31",$A,$B);     # a1·b1/(a0+a1)·(b0+b1)
+       &mul_1x1_merged("A31","B31",$A,$B);     # a1·b1/(a0+a1)·(b0+b1)
 $code.=<<___;
        XOR     A28,A31,A29
-||     XOR     B28,B31,B29                     ; a0·b0+a1·b1
+||     XOR     B28,B31,B29                     ; a0·b0+a1·b1
 ___
-       &mul_1x1_lower("A30","B30");            # (a0+a1)·(b0+b1)
+       &mul_1x1_lower("A30","B30");            # (a0+a1)·(b0+b1)
 $code.=<<___;
 ||     BNOP    B3
        XOR     A29,A30,A30
-||     XOR     B29,B30,B30                     ; (a0+a1)·(b0+b1)-a0·b0-a1·b1
+||     XOR     B29,B30,B30                     ; (a0+a1)·(b0+b1)-a0·b0-a1·b1
        XOR     B28,A30,A30
 ||     STW     A28,*${rp}[0]
        XOR     B30,A31,A31
@@ -143,4 +156,4 @@ $code.=<<___;
 ___
 
 print $code;
-close STDOUT;
+close STDOUT or die "error closing STDOUT";