re PR target/39531 (m68k gcc does not convert andil to bclr when compiled on a 64bit...

PR target/39531
* config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
before calling exact_log2.
(output_iorsi3): Likewise.
(output_xorsi3): Likewise.

From-SVN: r147664

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 575773f..7b2a7bf 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
+
+       PR target/39531
+       * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
+       before calling exact_log2.
+       (output_iorsi3): Likewise.
+       (output_xorsi3): Likewise.
+
 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
 
        * config/sh/sh.c (expand_cbranchdi4): Use a scratch register

diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c
index de20fdb..ec371e5 100644 (file)
--- a/gcc/config/m68k/m68k.c
+++ b/gcc/config/m68k/m68k.c
@@ -4829,7 +4829,7 @@ output_andsi3 (rtx *operands)
       return "and%.w %2,%0";
     }
   if (GET_CODE (operands[2]) == CONST_INT
-      && (logval = exact_log2 (~ INTVAL (operands[2]))) >= 0
+      && (logval = exact_log2 (~ INTVAL (operands[2]) & 0xffffffff)) >= 0
       && (DATA_REG_P (operands[0])
           || offsettable_memref_p (operands[0])))
     {
@@ -4866,7 +4866,7 @@ output_iorsi3 (rtx *operands)
       return "or%.w %2,%0";
     }
   if (GET_CODE (operands[2]) == CONST_INT
-      && (logval = exact_log2 (INTVAL (operands[2]))) >= 0
+      && (logval = exact_log2 (INTVAL (operands[2]) & 0xffffffff)) >= 0
       && (DATA_REG_P (operands[0])
          || offsettable_memref_p (operands[0])))
     {
@@ -4901,7 +4901,7 @@ output_xorsi3 (rtx *operands)
       return "eor%.w %2,%0";
     }
   if (GET_CODE (operands[2]) == CONST_INT
-      && (logval = exact_log2 (INTVAL (operands[2]))) >= 0
+      && (logval = exact_log2 (INTVAL (operands[2]) & 0xffffffff)) >= 0
       && (DATA_REG_P (operands[0])
          || offsettable_memref_p (operands[0])))
     {