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Re: Patch for faster memcpy on MIPS
- From: "Steve Ellcey " <sellcey at mips dot com>
- To: <rsandiford at googlemail dot com>, <newlib at sourceware dot org>, <apinski at cavium dot com>, <stevenb dot gcc at gmail dot com>
- Date: Thu, 3 Jan 2013 11:47:18 -0800
- Subject: Re: Patch for faster memcpy on MIPS
Steven,
Could you test out this patch and see if it works for you. I was able to
build with no problems. I decided to try the minimal change needed and look
at doing some of the cleanup that Richard mentioned in a later patch.
Steve Ellcey
sellcey@mips.com
diff --git a/newlib/libc/machine/mips/memcpy.S b/newlib/libc/machine/mips/memcpy.S
index fe7cb15..8db8953 100644
--- a/newlib/libc/machine/mips/memcpy.S
+++ b/newlib/libc/machine/mips/memcpy.S
@@ -56,7 +56,7 @@
#endif
#endif
-#if (_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIN32)
+#if defined(_MIPS_SIM) && ((_MIPS_SIM == _ABI64) || (_MIPS_SIM == _ABIN32))
#ifndef DISABLE_DOUBLE
#define USE_DOUBLE
#endif
@@ -203,7 +203,7 @@
#define REG1 t1
#define REG2 t2
#define REG3 t3
-#if _MIPS_SIM == _ABIO32
+#if defined(_MIPS_SIM) && (_MIPS_SIM == _ABIO32)
# define REG4 t4
# define REG5 t5
# define REG6 t6