PERFORCE change 30831 for review

Juli Mallett jmallett at FreeBSD.org
Thu May 8 21:46:29 PDT 2003


http://perforce.freebsd.org/chv.cgi?CH=30831

Change 30831 by jmallett at jmallett_dalek on 2003/05/08 21:46:20

	Properly refer to input and output arguments, as to make
	these work.  This fixes atomic_cmpset_ptr most notably for
	witness such that it gets past that point now.
	
	Inspired by Alpha & PowerPC.

Affected files ...

.. //depot/projects/mips/sys/mips/include/atomic.h#14 edit

Differences ...

==== //depot/projects/mips/sys/mips/include/atomic.h#14 (text+ko) ====

@@ -103,12 +103,12 @@
 									\
 	__asm __volatile (						\
 	"1:\n\t"							\
-	"ll	%[temp], (%[p])\n\t"					\
+	"ll	%[temp], %[p]\n\t"					\
 	asmop "\n\t"							\
-	"sc	%[temp], (%[p])\n\t"					\
+	"sc	%[temp], %[p]\n\t"					\
 	"beqz	%[temp], 1b\n\t"					\
-	: [val] "=r"(val)						\
-	: [temp] "r"(temp), [p] "r"(p)					\
+	: [val] "=&r"(val), [p] "+m"(*p)				\
+	: [temp] "r"(temp)						\
 	: "memory"							\
 	);								\
 }
@@ -139,15 +139,15 @@
 	__asm __volatile (
 	"1:\n\t"
 	"move	%[res], $0\n\t"
-	"ll	%[temp], (%[p])\n\t"
+	"ll	%[temp], %[p]\n\t"
 	"bne	%[temp], %[old], 2f\n\t"
 	"move	%[temp], %[val]\n\t"
 	"li	%[res], 1\n\t"
-	"sc	%[temp], (%[p])\n\t"
+	"sc	%[temp], %[p]\n\t"
 	"beqz	%[temp], 1b\n\t"
 	"2:\n\t"
-	: [old] "=r"(old), [val] "=r"(val)
-	: [res] "r"(res), [temp] "r"(temp), [p] "r"(p)
+	: [res] "=&r"(res), [p] "+m"(*p)
+	: [old] "r"(old), [val] "r"(val), [temp] "r"(temp)
 	: "memory"
 	);
 
@@ -164,13 +164,13 @@
 
 	__asm __volatile (
 	"1:\n\t"
-	"ll	%[temp], (%[p])\n\t"
+	"ll	%[temp], %[p]\n\t"
 	"move	%[res], %[temp]\n\t"
 	"move	%[temp], $0\n\t"
-	"sc	%[temp], (%[p])\n\t"
+	"sc	%[temp], %[p]\n\t"
 	"beqz	%[temp], 1b\n\t"
-	:
-	: [temp] "r"(temp), [p] "r"(p), [res] "r"(res)
+	: [res] "=&r"(res), [p] "+m"(*p)
+	: [temp] "r"(temp)
 	: "memory"
 	);
 
@@ -191,12 +191,12 @@
 									\
 	__asm __volatile (						\
 	"1:\n\t"							\
-	"lld	%[temp], (%[p])\n\t"					\
+	"lld	%[temp], %[p]\n\t"					\
 	asmop "\n\t"							\
-	"scd	%[temp], (%[p])\n\t"					\
+	"scd	%[temp], %[p]\n\t"					\
 	"beqz	%[temp], 1b\n\t"					\
-	: [val] "=r"(val)						\
-	: [temp] "r"(temp), [p] "r"(p)					\
+	: [val] "=&r"(val), [p] "+m"(*p)				\
+	: [temp] "r"(temp)						\
 	: "memory"							\
 	);								\
 }
@@ -227,15 +227,15 @@
 	__asm __volatile (
 	"1:\n\t"
 	"move	%[res], $0\n\t"
-	"lld	%[temp], (%[p])\n\t"
+	"lld	%[temp], %[p]\n\t"
 	"bne	%[temp], %[old], 2f\n\t"
 	"move	%[temp], %[val]\n\t"
 	"li	%[res], 1\n\t"
-	"scd	%[temp], (%[p])\n\t"
+	"scd	%[temp], %[p]\n\t"
 	"beqz	%[temp], 1b\n\t"
 	"2:\n\t"
-	: [old] "=r"(old), [val] "=r"(val)
-	: [res] "r"(res), [temp] "r"(temp), [p] "r"(p)
+	: [res] "=&r"(res), [p] "+m"(*p)
+	: [old] "r"(old), [val] "r"(val), [temp] "r"(temp)
 	: "memory"
 	);
 
@@ -252,13 +252,13 @@
 
 	__asm __volatile (
 	"1:\n\t"
-	"lld	%[temp], (%[p])\n\t"
+	"lld	%[temp], %[p]\n\t"
 	"move	%[res], %[temp]\n\t"
 	"move	%[temp], $0\n\t"
-	"scd	%[temp], (%[p])\n\t"
+	"scd	%[temp], %[p]\n\t"
 	"beqz	%[temp], 1b\n\t"
-	:
-	: [temp] "r"(temp), [p] "r"(p), [res] "r"(res)
+	: [res] "=&r"(res), [p] "+m"(*p)
+	: [temp] "r"(temp)
 	: "memory"
 	);
 


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