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i586 support

1 reply [Last post]
yyoss
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Joined: 2009-03-18

Hi,

I am building pMEA on i586 and I could build it by changing some points as follows.
=============================================
Build option : CC_ARCH_FLAGS = -march=i586

Source code : src/linux-x86/javavm/include/sync_arch.h
@@ -32,7 +32,7 @@
#ifndef _LINUX_SYNC_i686_H
#define _LINUX_SYNC_i686_H

-#if defined(__i686__) || defined(__tune_pentiumpro__)
+#if defined(__i686__) || defined(__tune_pentiumpro__) || defined(__i586__)
#else
#error Need i686 compiler support
#endif
=============================================

I tested the simple programs and it seemed to work correctly.

I know that i586 is not supported because the requirement is written in the platform notes for Linux/x86.
But I want to know whether this approach causes a problem.

Does anyone know the reason why i586 (or lower) is not supported?

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cjplummer
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Joined: 2006-10-16

I think we jumped from i386 to i686 at some point. There may not be a reason i586 won't work, but I can't say for sure.