re PR target/51819 (Neon wrong code generation, Error: unsupported alignment for…

re PR target/51819 (Neon wrong code generation, Error: unsupported alignment for instruction -- `vst1.32 {d2[0]},[r0:64]')


Fix PR target/51819

From-SVN: r183338

gcc/ChangeLog

+2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
+
+	PR target/51819
+	* config/arm/arm.c (arm_print_operand): Correct output of alignment
+	hints for neon loads and stores.
+
 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 
 	PR target/49868

gcc/config/arm/arm.c

@@ -17711,9 +17711,9 @@ arm_print_operand (FILE *stream, rtx x, int code)
 	/* Only certain alignment specifiers are supported by the hardware.  */
 	if (memsize == 16 && (align % 32) == 0)
 	  align_bits = 256;
-	else if ((memsize == 8 || memsize == 16) && (align % 16) == 0)
+	else if (memsize == 16 && (align % 16) == 0)
 	  align_bits = 128;
-	else if ((align % 8) == 0)
+	else if (memsize >= 8 && (align % 8) == 0)
 	  align_bits = 64;
 	else
 	  align_bits = 0;