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On Sat, Apr 28, 2012 at 02:32:18PM -0500, Peter Bigot wrote:
> The MSP430's split address space and ISA make it expensive to place
> data above the 64 kB boundary, but cheap to place code there. So I'm
> looking for a way to use HImode for data pointers, but PSImode for
> function pointers. If gc
On Tue, May 15, 2012 at 9:07 AM, Michael Matz wrote:
> Hi,
>
> On Mon, 14 May 2012, H.J. Lu wrote:
>
>> > As a minor nitpick, I have always used x32 with a lower case x. The
>> > capital X32 looks odd to me.
>> >
>>
>> I used X32 together with LP64. I can use ILP32 instead of X32 when LP64
>> is
On Thu, 17 May 2012 09:08:26 -0700, Richard Henderson wrote:
> My question is, why are you generating compares in two different modes
> early, before compare-elim runs? If you hadn't done that, your
> redundant compare would already be eliminated.
>
Good question. I tried to follow the example s
Hi, all
Now I am developing a GCC(verion 4.6.2) optimization plugin(it is
inserted after ccp2 or ssa) for redundant memory access elimination.
But I don't know how to handle pointer use-def/def-use information
when a redundant statement is found.
For example,
//original C code example
int foo(
On 05/15/12 06:00, Paulo J. Matos wrote:
> The RTL for the first two comparisons at compare-elim is:
> (insn 51 3 52 2 (set (reg:CC_NZ 13 CC)
> (compare:CC_NZ (reg:QI 0 AH [orig:27 a ] [27])
> (const_int 0 [0]))) b651.c:1 63 {*tstqi}
> (nil))
>
> (jump_insn 52 51 34 2 (set
If both X & Y are vectors, GCC will report error (at least on our port based on
4.5)
as invalid operands to ==. Not sure if it is extended for 4.7.
Bingfeng
-Original Message-
From: gcc-ow...@gcc.gnu.org [mailto:gcc-ow...@gcc.gnu.org] On Behalf Of Iyer,
Balaji V
Sent: 17 May 2012 00:01
