* vax.c (vax_address_cost, vax_rtx_cost): Correct casts.

	(vax_rtx_cost): Handle small offsets for both PLUS and MINUS.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92667 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5526fcb..f1f57cb 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-12-27 John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       * vax.c (vax_address_cost, vax_rtx_cost): Correct casts.
+       (vax_rtx_cost): Handle small offsets for both PLUS and MINUS.
+
 2004-12-27  Jeff Law  <law@redhat.com>
 
        * tree-ssa-dom.c (thread_across_edge): Remove broken code to

diff --git a/gcc/config/vax/vax.c b/gcc/config/vax/vax.c
index da1b481..ca5fb6a 100644 (file)
--- a/gcc/config/vax/vax.c
+++ b/gcc/config/vax/vax.c
@@ -474,7 +474,7 @@ vax_address_cost_1 (register rtx addr)
     case CONST_INT:
       /* byte offsets cost nothing (on a VAX 2, they cost 1 cycle) */
       if (offset == 0)
-       offset = (unsigned)(INTVAL(addr)+128) > 256;
+       offset = (unsigned HOST_WIDE_INT)(INTVAL(addr)+128) > 256;
       break;
     case CONST:
     case SYMBOL_REF:
@@ -644,13 +644,13 @@ vax_rtx_costs_1 (register rtx x, enum rtx_code code, enum rtx_code outer_code)
        fmt = "e";      /* all constant rotate counts are short */
       break;
     case PLUS:
-      /* Check for small negative integer operand: subl2 can be used with
-        a short positive constant instead.  */
-      if (GET_CODE (XEXP (x, 1)) == CONST_INT)
-       if ((unsigned)(INTVAL (XEXP (x, 1)) + 63) < 127)
-         fmt = "e";
     case MINUS:
       c = (mode == DFmode) ? 13 : 8;   /* 6/8 on VAX 9000, 16/15 on VAX 2 */
+      /* Small integer operands can use subl2 and addl2.  */
+      if ((GET_CODE (XEXP (x, 1)) == CONST_INT)
+         && (unsigned HOST_WIDE_INT)(INTVAL (XEXP (x, 1)) + 63) < 127)
+       fmt = "e";
+      break;
     case IOR:
     case XOR:
       c = 3;
@@ -660,7 +660,7 @@ vax_rtx_costs_1 (register rtx x, enum rtx_code code, enum rtx_code outer_code)
       c = 3;
       if (GET_CODE (XEXP (x, 0)) == CONST_INT)
        {
-         if ((unsigned)~INTVAL (XEXP (x, 0)) > 63)
+         if ((unsigned HOST_WIDE_INT)~INTVAL (XEXP (x, 0)) > 63)
            c = 4;
          fmt = "e";
          i = 1;
@@ -713,7 +713,8 @@ vax_rtx_costs_1 (register rtx x, enum rtx_code code, enum rtx_code outer_code)
       switch (code)
        {
        case CONST_INT:
-         if ((unsigned)INTVAL (op) > 63 && GET_MODE (x) != QImode)
+         if ((unsigned HOST_WIDE_INT)INTVAL (op) > 63
+             && GET_MODE (x) != QImode)
            c += 1;             /* 2 on VAX 2 */
          break;
        case CONST: