aix41.h (SUBTARGET_SWITCHES): Delete threads.

	* aix41.h (SUBTARGET_SWITCHES): Delete threads.
	(CPP_SPEC): Change mthreads to pthread.
	(LIB_SPEC): Likewise.
	(STARTFILE_SPEC): Likewise.
	* aix43.h (SUBTARGET_SWITCHES): Delete thread.
	(CPP_SPEC): Change mthreads to pthread.
	(LIB_SPEC): Likewise.
	(STARTFILE_SPEC): Likewise.
	* rs6000-protos.h (reg_or_arith_cint_operand): New.
	* rs6000.c (reg_or_arith_cint_operand): New.
	(num_insns_constant_wide): Decorate unsigned constant.
	* rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
	* rs6000.md (addsi3): Use new predicate.
	(subsi3, adddi3, subdi3): Likewise.

From-SVN: r34502

gcc/ChangeLog

+2000-06-12  David Edelsohn  <edelsohn@gnu.org>
+
+	* aix41.h (SUBTARGET_SWITCHES): Delete threads.
+	(CPP_SPEC): Change mthreads to pthread.
+	(LIB_SPEC): Likewise.
+	(STARTFILE_SPEC): Likewise.
+	* aix43.h (SUBTARGET_SWITCHES): Delete thread.
+	(CPP_SPEC): Change mthreads to pthread.
+	(LIB_SPEC): Likewise.
+	(STARTFILE_SPEC): Likewise.
+	* rs6000-protos.h (reg_or_arith_cint_operand): New.
+	* rs6000.c (reg_or_arith_cint_operand): New.
+	(num_insns_constant_wide): Decorate unsigned constant.
+	* rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
+	* rs6000.md (addsi3): Use new predicate.
+	(subsi3, adddi3, subdi3): Likewise.
+
 2000-06-12  Mark Mitchell  <mark@codesourcery.com>
 
 	* c-common.c (lang_get_alias_set): Fix typo.

gcc/config/rs6000/aix41.h

@@ -27,9 +27,7 @@ Boston, MA 02111-1307, USA.  */
 
 #undef  SUBSUBTARGET_SWITCHES
 #define SUBSUBTARGET_SWITCHES		\
-  {"threads",		0,						\
-   "Use the thread library and reentrant C library" },			\
-  {"pe",		0,						\
+  {"pe",		0,					\
    "Support message passing with the Parallel Environment" },
 
 #undef ASM_SPEC
@@ -46,7 +44,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
    %{ansi: -D_ANSI_C_SOURCE}\
    %{mpe: -I/usr/lpp/ppe.poe/include}\
-   %{mthreads: -D_THREAD_SAFE}\
+   %{pthread: -D_THREAD_SAFE}\
    %(cpp_cpu)"
 
 #undef	CPP_DEFAULT_SPEC
@@ -74,8 +72,8 @@ Boston, MA 02111-1307, USA.  */
 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
    %{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}}\
    %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
-   %{mthreads: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
-   %{!mthreads: -lc}"
+   %{pthread: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
+   %{!pthread: -lc}"
 
 #undef LINK_SPEC
 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
@@ -88,8 +86,8 @@ Boston, MA 02111-1307, USA.  */
          %{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
                %{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
    %{!mpe:\
-     %{mthreads:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
-     %{!mthreads:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
+     %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
+     %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
 
 /* AIX 4 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC
    and "cror 31,31,31" for POWER architecture.  */

gcc/config/rs6000/aix43.h

@@ -31,8 +31,6 @@ Boston, MA 02111-1307, USA.  */
    "Compile for 64-bit pointers" },					\
   {"aix32",		- (MASK_64BIT | MASK_POWERPC64),		\
    "Compile for 32-bit pointers" },					\
-  {"threads",		0,						\
-   "Use the thread library and reentrant C library" },			\
   {"pe",		0,						\
    "Support message passing with the Parallel Environment" },
 
@@ -112,7 +110,7 @@ do {									\
    %{ansi: -D_ANSI_C_SOURCE}\
    %{maix64: -D__64BIT__ -D_ARCH_PPC}\
    %{mpe: -I/usr/lpp/ppe.poe/include}\
-   %{mthreads: -D_THREAD_SAFE}\
+   %{pthread: -D_THREAD_SAFE}\
    %(cpp_cpu)"
 
 /* Common CPP definitions used by CPP_SPEC among the various targets
@@ -172,8 +170,8 @@ do {									\
    %{p:-L/lib/profiled -L/usr/lib/profiled}\
    %{!maix64:%{!shared:%{g*:-lg}}}\
    %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
-   %{mthreads:-L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
-   %{!mthreads:-lc}"
+   %{pthread:-L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
+   %{!pthread:-lc}"
 
 #undef LINK_SPEC
 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
@@ -188,8 +186,8 @@ do {									\
    %{!mpe:\
      %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
      %{!maix64:\
-       %{mthreads:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
-       %{!mthreads:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}}"
+       %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
+       %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}}"
 
 /* AIX 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int".  */
 

gcc/config/rs6000/rs6000-protos.h

@@ -41,6 +41,7 @@ extern int reg_or_short_operand PARAMS ((rtx, enum machine_mode));
 extern int reg_or_neg_short_operand PARAMS ((rtx, enum machine_mode));
 extern int reg_or_u_short_operand PARAMS ((rtx, enum machine_mode));
 extern int reg_or_cint_operand PARAMS ((rtx, enum machine_mode));
+extern int reg_or_arith_cint_operand PARAMS ((rtx, enum machine_mode));
 extern int reg_or_logical_cint_operand PARAMS ((rtx, enum machine_mode));
 extern int got_operand PARAMS ((rtx, enum machine_mode));
 extern int got_no_const_operand PARAMS ((rtx, enum machine_mode));

gcc/config/rs6000/rs6000.c

@@ -650,8 +650,24 @@ reg_or_cint_operand (op, mode)
     register rtx op;
     enum machine_mode mode;
 {
-     return (GET_CODE (op) == CONST_INT
-	     || gpc_reg_operand (op, mode));
+     return (GET_CODE (op) == CONST_INT || gpc_reg_operand (op, mode));
+}
+
+/* Return 1 is the operand is either a non-special register or ANY
+   32-bit signed constant integer.  */
+
+int
+reg_or_arith_cint_operand (op, mode)
+    register rtx op;
+    enum machine_mode mode;
+{
+     return (gpc_reg_operand (op, mode)
+	     || (GET_CODE (op) == CONST_INT
+#if HOST_BITS_PER_WIDE_INT != 32
+		 && ((unsigned HOST_WIDE_INT) (INTVAL (op) + 0x80000000)
+		     < 0x100000000u)
+#endif
+		 ));
 }
 
 /* Return 1 is the operand is either a non-special register or ANY
@@ -729,7 +745,7 @@ num_insns_constant_wide (value)
 #if HOST_BITS_PER_WIDE_INT == 64
   else if (TARGET_POWERPC64)
     {
-      HOST_WIDE_INT low  = value & 0xffffffff;
+      unsigned HOST_WIDE_INT low  = value & 0xffffffffu;
       HOST_WIDE_INT high = value >> 32;
 
       if (high == 0 && (low & 0x80000000u) == 0)

gcc/config/rs6000/rs6000.h

@@ -2713,6 +2713,7 @@ do {									\
   {"reg_or_neg_short_operand", {SUBREG, REG, CONST_INT}},	\
   {"reg_or_u_short_operand", {SUBREG, REG, CONST_INT}}, 	\
   {"reg_or_cint_operand", {SUBREG, REG, CONST_INT}}, 		\
+  {"reg_or_arith_cint_operand", {SUBREG, REG, CONST_INT}}, 	\
   {"reg_or_logical_cint_operand", {SUBREG, REG, CONST_INT, CONST_DOUBLE}}, \
   {"got_operand", {SYMBOL_REF, CONST, LABEL_REF}},		\
   {"got_no_const_operand", {SYMBOL_REF, LABEL_REF}},		\

gcc/config/rs6000/rs6000.md

@@ -1386,7 +1386,7 @@
 (define_expand "addsi3"
   [(set (match_operand:SI 0 "gpc_reg_operand" "")
 	(plus:SI (match_operand:SI 1 "gpc_reg_operand" "")
-		 (match_operand:SI 2 "reg_or_cint_operand" "")))]
+		 (match_operand:SI 2 "reg_or_arith_cint_operand" "")))]
   ""
   "
 {
@@ -1673,7 +1673,7 @@
 (define_expand "subsi3"
   [(set (match_operand:SI 0 "gpc_reg_operand" "")
 	(minus:SI (match_operand:SI 1 "reg_or_short_operand" "")
-		  (match_operand:SI 2 "reg_or_cint_operand" "")))]
+		  (match_operand:SI 2 "reg_or_arith_cint_operand" "")))]
   ""
   "
 {
@@ -5765,7 +5765,7 @@
 (define_expand "adddi3"
   [(set (match_operand:DI 0 "gpc_reg_operand" "")
 	(plus:DI (match_operand:DI 1 "gpc_reg_operand" "")
-		 (match_operand:DI 2 "reg_or_cint_operand" "")))]
+		 (match_operand:DI 2 "reg_or_arith_cint_operand" "")))]
   ""
   "
 {
@@ -6016,7 +6016,7 @@
 (define_expand "subdi3"
   [(set (match_operand:DI 0 "gpc_reg_operand" "")
 	(minus:DI (match_operand:DI 1 "reg_or_short_operand" "")
-		  (match_operand:DI 2 "reg_or_cint_operand" "")))]
+		  (match_operand:DI 2 "reg_or_arith_cint_operand" "")))]
   ""
   "
 {