(override_options): Treat -o32 as -32 and -n64 same as -64.

From-SVN: r12299

diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 64c6ce790047d5967d63c168450fad13da8c87b4..736e640f4ee783a97cfd645e76a46867e06210f6 100644 (file)
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -201,7 +201,7 @@ enum mips_abi_type mips_abi;
 /* Strings to hold which cpu and instruction set architecture to use.  */
 char *mips_cpu_string;         /* for -mcpu=<xxx> */
 char *mips_isa_string;         /* for -mips{1,2,3,4} */
-char *mips_abi_string;         /* for -mabi={32,n32,64} */
+char *mips_abi_string;         /* for -mabi={o32,32,n32,n64,64} */
 
 /* If TRUE, we split addresses into their high and low parts in the RTL.  */
 int mips_split_addresses;
@@ -3300,11 +3300,13 @@ override_options ()
   /* Get the ABI to use.  Currently this code is only used for Irix 6.  */
   if (mips_abi_string == (char *) 0)
     mips_abi = MIPS_ABI_DEFAULT;
-  else if (! strcmp (mips_abi_string, "32"))
+  else if (! strcmp (mips_abi_string, "32")
+          || ! strcmp (mips_abi_string, "o32"))
     mips_abi = ABI_32;
   else if (! strcmp (mips_abi_string, "n32"))
     mips_abi = ABI_N32;
-  else if (! strcmp (mips_abi_string, "64"))
+  else if (! strcmp (mips_abi_string, "64")
+          || ! strcmp (mips_abi_string, "n64"))
     mips_abi = ABI_64;
   else
     error ("bad value (%s) for -mabi= switch", mips_abi_string);