On 05/22/2015 09:45 AM, Segher Boessenkool wrote:
On Thu, May 21, 2015 at 09:24:37AM -0600, Jeff Law wrote:
When combine needs to split a complex insn, it will canonicalize a
simple (mult X (const_int Y)) where Y is a power of 2 into the expected
(ashift X (const_int Y')) if the (mult ...) is
On Thu, May 21, 2015 at 09:24:37AM -0600, Jeff Law wrote:
When combine needs to split a complex insn, it will canonicalize a
simple (mult X (const_int Y)) where Y is a power of 2 into the expected
(ashift X (const_int Y')) if the (mult ...) is selected as a split point.
However if the
When combine needs to split a complex insn, it will canonicalize a
simple (mult X (const_int Y)) where Y is a power of 2 into the expected
(ashift X (const_int Y')) if the (mult ...) is selected as a split point.
However if the split point is (plus (mult (X (const_int Y)) Z) combine
fails
