Fix compiling error for mips32r6 and mips64r6

There are some compiling errors for mips32r6 and mips64r6:

crypto/bn/bn-mips.S:56: Error: opcode not supported on this processor: mips2 (mips2) `mulu $1,$12,$7'
crypto/mips_arch.h: Assembler messages:
crypto/mips_arch.h:15: Error: junk at end of line, first unrecognized character is `&'

Signed-off-by: Hua Zhang <hua.zhang1974@hotmail.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8464)

diff --git a/crypto/bn/asm/mips.pl b/crypto/bn/asm/mips.pl
index 51a4b5fb36f99153603c045a91a82f2d46410b7f..bff624d1860cfc8be253ec79939f6d890089c232 100644 (file)
--- a/crypto/bn/asm/mips.pl
+++ b/crypto/bn/asm/mips.pl
@@ -88,7 +88,7 @@ if ($flavour =~ /64|n32/i) {
        $SZREG=4;
        $REG_S="sw";
        $REG_L="lw";
-       $code=".set     mips2\n";
+       $code="#if !(defined (__mips_isa_rev) && (__mips_isa_rev >= 6))\n.set     mips2\n#endif\n";
 }
 
 # Below is N32/64 register layout used in the original module.

diff --git a/crypto/mips_arch.h b/crypto/mips_arch.h
index 0ac3bfaac86ee01ea0749cf468d6923d58b998ad..df4ff7aebaf88d113a30c7ee0532ebddf57d6891 100644 (file)
--- a/crypto/mips_arch.h
+++ b/crypto/mips_arch.h
@@ -11,7 +11,7 @@
 # define __MIPS_ARCH_H__
 
 # if (defined(__mips_smartmips) || defined(_MIPS_ARCH_MIPS32R3) || \
-      defined(_MIPS_ARCH_MIPS32R5) || defined(_MIPS_ARCH_MIPS32R6))
+      defined(_MIPS_ARCH_MIPS32R5) || defined(_MIPS_ARCH_MIPS32R6)) \
       && !defined(_MIPS_ARCH_MIPS32R2)
 #  define _MIPS_ARCH_MIPS32R2
 # endif