* IA32 high-res timer support for compilers without GCC-style inline

assembly

This commit was SVN r6992.

opal/asm/base/IA32.asm

@@ -107,3 +107,14 @@ START_FUNC(opal_atomic_sub_32)
         leave
         ret
 END_FUNC(opal_atomic_sub_32)
+
+
+START_FUNC(opal_sys_timer_get_cycles)
+        pushl   %ebp
+        movl    %esp, %ebp
+#APP
+        rdtsc
+#NO_APP
+        popl    %ebp
+        ret
+END_FUNC(opal_sys_timer_get_cycles)

opal/include/sys/ia32/timer.h

@@ -37,7 +37,9 @@ opal_sys_timer_get_cycles(void)
 
 #else
 
-#define OPAL_HAVE_SYS_TIMER_GET_CYCLES 0
+opal_timer_t opal_sys_timer_get_cycles(void);
+
+#define OPAL_HAVE_SYS_TIMER_GET_CYCLES 1
 
 #endif /* OMPI_GCC_INLINE_ASSEMBLY */
 

opal/include/sys/ia32/update.sh

@@ -15,11 +15,11 @@
 # $HEADER$
 #
 
-CFILE=/tmp/opal_atomic_$$.c
+CFILE=/tmp/opal_asm_$$.c
 
 trap "/bin/rm -f $CFILE; exit 0" 0 1 2 15
 
-echo Updating atomic.s from atomic.h using gcc
+echo Updating asm.s from atomic.h and timer.h using gcc
 
 cat > $CFILE<<EOF
 #include <stdlib.h>
@@ -29,6 +29,7 @@ cat > $CFILE<<EOF
 #define OMPI_GCC_INLINE_ASSEMBLY 1
 #define OMPI_WANT_SMP_LOCKS 1
 #include "atomic.h"
+#include "timer.h"
 EOF
 
-gcc -O1 -I. -S $CFILE -o atomic.s
+gcc -O3 -I. -S $CFILE -o asm.s