Date: Sat, 13 Apr 2002 16:05:24 -0700 From: "David O'Brien" <obrien@freebsd.org> To: alpha@freebsd.org Subject: Any idea what this preprocessing was trying to do? Message-ID: <20020413160524.A43166@dragon.nuxi.com>
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I had to make this change to build tsunami_pci.o with Gcc 3.1 because the
integrated CPP was treating "=op(" as a token vs. the three tokens it is.
I really don't see why ## had to be used, as w/o the string concatination
the tokens are legal ANSI-C.
Index: alpha/pci/tsunami_pci.c
===================================================================
RCS file: /home/ncvs/src/sys/alpha/pci/tsunami_pci.c,v
retrieving revision 1.13
diff -u -r1.13 tsunami_pci.c
--- alpha/pci/tsunami_pci.c 28 Feb 2002 18:18:41 -0000 1.13
+++ alpha/pci/tsunami_pci.c 7 Apr 2002 11:50:20 -0000
@@ -201,7 +201,7 @@
tsunami_check_abort(); \
return ~0; \
} \
- data = ##op##(va); \
+ data = op(va); \
if (tsunami_check_abort()) \
return ~0; \
return data; \
@@ -213,7 +213,7 @@
tsunami_clear_abort(); \
if (badaddr((caddr_t)va, width)) \
return; \
- ##op##(va, data); \
+ op(va, data); \
tsunami_check_abort(); \
} while (0)
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