On 04/22/2011 05:21 PM, Chung-Lin Tang wrote:
Also, instead of testing for XEXP(SET_SRC(PATTERN(i3)),1) == const0_rtx
at the top, it now allows CONST_INT_P(XEXP(SET_SRC(PATTERN(i3)),1)),
tries to adjust it by simplify_compare_const() from the last patch, and
then tests if op1 == const0_rtx. This
On 2011/5/6 05:57 PM, Paolo Bonzini wrote:
On 04/22/2011 05:21 PM, Chung-Lin Tang wrote:
Also, instead of testing for XEXP(SET_SRC(PATTERN(i3)),1) == const0_rtx
at the top, it now allows CONST_INT_P(XEXP(SET_SRC(PATTERN(i3)),1)),
tries to adjust it by simplify_compare_const() from the last
On 05/06/2011 12:56 PM, Chung-Lin Tang wrote:
I'm not sure why it doesn't allow both?
Paolo
Hi Paolo, I'm not sure I understand your meaning of 'both', but before
this patch, it only tested for == const0_rtx, without any attempt of
other cases.
Now it tests
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On 05/06/11 03:57, Paolo Bonzini wrote:
On 04/22/2011 05:21 PM, Chung-Lin Tang wrote:
Also, instead of testing for XEXP(SET_SRC(PATTERN(i3)),1) == const0_rtx
at the top, it now allows CONST_INT_P(XEXP(SET_SRC(PATTERN(i3)),1)),
tries to adjust it
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On 05/06/11 03:38, Chung-Lin Tang wrote:
Hi Jeff,
I have verified the patch with a native bootstrap + testsuite run on
powerpc-linux (32-bit), results were clean.
Attached is a single patch with the 1+2 combine parts together, with
comments
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On 04/26/11 05:44, Chung-Lin Tang wrote:
Hi Jeff, thanks for reviewing this quite convoluted patch :)
FWIW, I don't think it's necessarily your patch that is convoluted, but
instead the original code. It's also the case that I haven't spent
nearly
On 2011/4/26 02:08 AM, Jeff Law wrote:
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On 04/22/11 09:21, Chung-Lin Tang wrote:
This patch is the main bulk of this submission. It modifies the compare
combining part of try_combine(), adding a call of
CANONICALIZE_COMPARISON into the entire
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On 04/22/11 09:21, Chung-Lin Tang wrote:
This patch is the main bulk of this submission. It modifies the compare
combining part of try_combine(), adding a call of
CANONICALIZE_COMPARISON into the entire logic.
Also, instead of testing for
This patch is the main bulk of this submission. It modifies the compare
combining part of try_combine(), adding a call of
CANONICALIZE_COMPARISON into the entire logic.
Also, instead of testing for XEXP(SET_SRC(PATTERN(i3)),1) == const0_rtx
at the top, it now allows
