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

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
This commit is contained in:
Andreas Schwab 2009-05-18 15:36:18 +00:00 committed by Andreas Schwab
parent e35bbb23ad
commit c4406f7429
2 changed files with 11 additions and 3 deletions
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8
gcc/ChangeLog
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@ -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

6
gcc/config/m68k/m68k.c
View File

@ -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])))
{