On Tue, Jun 7, 2011 at 7:12 AM, Uros Bizjak <ubiz...@gmail.com> wrote:
> On Tue, Jun 7, 2011 at 4:07 PM, H.J. Lu <hjl.to...@gmail.com> wrote:
>
>>> OTOH, you are right, this statement can be moved to case 6, without
>>> the check for registers.
>>>
>>
>> Like this? OK for trunk with a ChangeLog entry?
>>
>> Thanks.
>>
>> --
>> H.J.
>> ----
>> diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
>> index 58de87b..a61bffb 100644
>> --- a/gcc/config/i386/i386.md
>> +++ b/gcc/config/i386/i386.md
>> @@ -3207,11 +3207,11 @@
>> case 6:
>> if (get_attr_mode (insn) == MODE_V4SF)
>> return "%vmovaps\t{%1, %0|%0, %1}";
>> + else if (TARGET_AVX && REG_P (operands[0]) && REG_P (operands[1]))
>
> if (TARGET_AVX)
>
>> + return "vmovss\t{%1, %0, %0|%0, %0, %1}";
>>
>> case 7:
>> case 8:
>> - if (TARGET_AVX && REG_P (operands[0]) && REG_P (operands[1]))
>> - return "vmovss\t{%1, %0, %0|%0, %0, %1}";
>> return "%vmovss\t{%1, %0|%0, %1}";
>>
>> case 9:
>>
>
> OK with this change and suitable ChangeLog entry.
>
This is what I checked in.
Thanks.
--
H.J.
----
2011-06-07 H.J. Lu <hongjiu...@intel.com>
* config/i386/i386.md (*movsf_internal): Optimize AVX check.
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 58de87b..3e18e7a 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -3207,11 +3207,11 @@
case 6:
if (get_attr_mode (insn) == MODE_V4SF)
return "%vmovaps\t{%1, %0|%0, %1}";
+ if (TARGET_AVX)
+ return "vmovss\t{%1, %0, %0|%0, %0, %1}";
case 7:
case 8:
- if (TARGET_AVX && REG_P (operands[0]) && REG_P (operands[1]))
- return "vmovss\t{%1, %0, %0|%0, %0, %1}";
return "%vmovss\t{%1, %0|%0, %1}";
case 9:
