Sun Studio 12 compatibility

auto/cc/sunc

@@ -2,8 +2,10 @@
 # Copyright (C) Igor Sysoev
 
 
-# Sun C 5.7 Patch 117837-04 2005/05/11
-# Sun C 5.8 2005/10/13
+# Sun C 5.7 Patch 117837-04 2005/05/11    Sun Studio 10
+# Sun C 5.8 2005/10/13                    Sun Studio 11
+# Sun C 5.9 SunOS_i386 2007/05/03         Sun Studio 12
+# Sun C 5.9 SunOS_sparc 2007/05/03
 
 NGX_SUNC_VER=`$CC -V 2>&1 | grep 'Sun C' 2>&1 \
                           | sed -e 's/^.* Sun C \(.*\)/\1/'`
@@ -13,6 +15,33 @@ echo " + Sun C version: $NGX_SUNC_VER"
 have=NGX_COMPILER value="\"Sun C $NGX_SUNC_VER\"" . auto/define
 
 
+cat << END > $NGX_AUTOTEST.c
+
+int main() { printf("%d", __SUNPRO_C); }
+
+END
+
+eval "$CC -o $NGX_AUTOTEST $NGX_AUTOTEST.c >> $NGX_ERR 2>&1"
+
+if [ -x $NGX_AUTOTEST ]; then
+    ngx_sunc_ver=`$NGX_AUTOTEST`
+fi
+
+rm $NGX_AUTOTEST*
+
+# 1424 == 0x590, Sun Studio 12
+
+if [ "$ngx_sunc_ver" -ge 1424 ]; then
+    ngx_sparc32="-m32"
+    ngx_sparc64="-m64"
+    ngx_amd64="-m64"
+
+else
+    ngx_sparc32="-xarch=v8plus"
+    ngx_sparc64="-xarch=v9"
+    ngx_amd64="-amd64"
+fi
+
 case "$NGX_MACHINE" in
 
     i86pc)
@@ -43,7 +72,8 @@ esac
 
 # optimizations
 
-CFLAGS="$CFLAGS -fast"
+IPO=-xipo
+CFLAGS="$CFLAGS -fast $IPO"
 
 
 case $CPU in
@@ -80,25 +110,27 @@ case $CPU in
 
     sparc32)
         # build 32-bit UltraSparc binary
-        CPU_OPT="-m32"
-        CORE_LINK="$CORE_LINK -m32"
-        CC_AUX_FLAGS="$CC_AUX_FLAGS -m32"
+        CPU_OPT="$ngx_sparc32"
+        CORE_LINK="$CORE_LINK $ngx_sparc32"
+        CC_AUX_FLAGS="$CC_AUX_FLAGS $ngx_sparc32"
         NGX_CPU_CACHE_LINE=64
     ;;
 
     sparc64)
         # build 64-bit UltraSparc binary
-        CPU_OPT="-m64"
-        CORE_LINK="$CORE_LINK -m64"
-        CC_AUX_FLAGS="$CC_AUX_FLAGS -m64"
+        CPU_OPT="$ngx_sparc64"
+        CORE_LINK="$CORE_LINK $ngx_sparc64"
+        CC_AUX_FLAGS="$CC_AUX_FLAGS $ngx_sparc64"
         NGX_CPU_CACHE_LINE=64
     ;;
 
     amd64)
         # build 64-bit amd64 binary
-        CPU_OPT="-xarch=amd64"
-        CORE_LINK="$CORE_LINK -xarch=amd64"
+        CPU_OPT="$ngx_amd64"
+        CORE_LINK="$CORE_LINK $ngx_amd64"
+        CC_AUX_FLAGS="$CC_AUX_FLAGS $ngx_amd4"
         NGX_AUX=" src/os/unix/ngx_sunpro_amd64.il"
+        NGX_CPU_CACHE_LINE=64
     ;;
 
 esac
@@ -108,15 +140,15 @@ CFLAGS="$CFLAGS $CPU_OPT"
 
 
 if [ ".$PCRE_OPT" = "." ]; then
-    PCRE_OPT="-fast $CPU_OPT"
+    PCRE_OPT="-fast $IPO $CPU_OPT"
 fi
 
 if [ ".$MD5_OPT" = "." ]; then
-    MD5_OPT="-fast $CPU_OPT"
+    MD5_OPT="-fast $IPO $CPU_OPT"
 fi
 
 if [ ".$ZLIB_OPT" = "." ]; then
-    ZLIB_OPT="-fast $CPU_OPT"
+    ZLIB_OPT="-fast $IPO $CPU_OPT"
 fi
 
 

src/os/unix/ngx_atomic.h

@@ -87,10 +87,17 @@ ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
 ngx_atomic_int_t
 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add);
 
+/*
+ * Sun Studio 12 exits with segmentation fault on '__asm ("pause")',
+ * so ngx_cpu_pause is declared in src/os/unix/ngx_sunpro_x86.il
+ */
+
+void
+ngx_cpu_pause(void);
+
 /* the code in src/os/unix/ngx_sunpro_x86.il */
 
 #define ngx_memory_barrier()        __asm (".volatile"); __asm (".nonvolatile")
-#define ngx_cpu_pause()             __asm ("pause")
 
 
 #else /* ( __GNUC__ || __INTEL_COMPILER ) */
@@ -121,10 +128,17 @@ ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
 ngx_atomic_int_t
 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add);
 
+/*
+ * Sun Studio 12 exits with segmentation fault on '__asm ("pause")',
+ * so ngx_cpu_pause is declared in src/os/unix/ngx_sunpro_amd64.il
+ */
+
+void
+ngx_cpu_pause(void);
+
 /* the code in src/os/unix/ngx_sunpro_amd64.il */
 
 #define ngx_memory_barrier()        __asm (".volatile"); __asm (".nonvolatile")
-#define ngx_cpu_pause()             __asm ("pause")
 
 
 #else /* ( __GNUC__ || __INTEL_COMPILER ) */

src/os/unix/ngx_sunpro_amd64.il

@@ -28,3 +28,10 @@
         lock
         xaddq     %rax, (%rdi)
         .end
+
+
+/ ngx_cpu_pause()
+
+       .inline ngx_cpu_pause,0
+       pause
+       .end

src/os/unix/ngx_sunpro_x86.il

@@ -29,3 +29,10 @@
         lock
         xaddl     %eax, (%ecx)
         .end
+
+
+/ ngx_cpu_pause()
+
+       .inline ngx_cpu_pause,0
+       pause
+       .end