On 07/21/2011 08:36 AM, tip-bot for David Ahern wrote: > Commit-ID: 08a4a43fc407d780bdde36d98f89c0dbb2a6be6b > Gitweb: http://git.kernel.org/tip/08a4a43fc407d780bdde36d98f89c0dbb2a6be6b > Author: David Ahern <dsahern@xxxxxxxxx> > AuthorDate: Mon, 11 Jul 2011 15:38:24 -0600 > Committer: Ingo Molnar <mingo@xxxxxxx> > CommitDate: Thu, 21 Jul 2011 13:42:30 +0200 > > perf tools, x86: Fix 32-bit compile on 64-bit system > > Builds for 32-bit perf binaries on a 64-bit host currently fail > with this error: > > [...] > bench/../../../arch/x86/lib/memcpy_64.S: Assembler messages: > bench/../../../arch/x86/lib/memcpy_64.S:29: Error: bad register name `%rdi' > bench/../../../arch/x86/lib/memcpy_64.S:34: Error: invalid instruction suffix for `movs' > bench/../../../arch/x86/lib/memcpy_64.S:50: Error: bad register name `%rdi' > bench/../../../arch/x86/lib/memcpy_64.S:61: Error: bad register name `%rdi' > ... > > The problem is the detection of the host arch without considering passed in > flags. This change fixes 32-bit builds via: > > make EXTRA_CFLAGS=-m32 > > and 64-bit builds still reference the memcpy_64.S. > But this is the wrong way to build 32-bit code on 64-bit platforms. make ARCH=i386 is the supported way. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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