rs6000.c (num_insns_constant): Compute number of instructions more accurately.

* rs6000.c (num_insns_constant): Compute number of instructions more accurately. From-SVN: r45484

rs6000.c (num_insns_constant): Compute number of instructions more accurately.
* rs6000.c (num_insns_constant): Compute number of instructions more accurately. From-SVN: r45484
4e2c1c44 · David Edelsohn · David Edelsohn · 43fe47ca · 4e2c1c44 · 4e2c1c44
Commit 4e2c1c44 authored Sep 08, 2001 by David Edelsohn Committed by David Edelsohn Sep 07, 2001
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gcc/ChangeLog
+5 -0

gcc/config/rs6000/rs6000.c
+2 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2001-09-07  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.c (num_insns_constant): Compute number of instructions
+	more accurately.
+
 2001-09-07  Jim Wilson  <wilson@redhat.com>

 	* alias.c (clear_reg_alias_info): New.

--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -880,7 +880,8 @@ num_insns_constant (op, mode)
  if (GET_CODE (op) == CONST_INT)
    {
 #if HOST_BITS_PER_WIDE_INT == 64
-      if (mask64_operand (op, mode))
+      if ((INTVAL (op) >> 31) != 0 && (INTVAL (op) >> 31) != -1
+	  && mask64_operand (op, mode))
 	    return 2;
      else
 #endif