Jeff Law writes:
> Let's do better this time ;-) Add a testcase for the m68k port which
> verifies we're getting the desired code.
Make sense. Installed with the following test case.
Andreas.
PR rtl-optimization/54555
* gcc.target/m68k/pr54555.c: New test.
diff --git a/gcc/t
On 06/17/14 01:47, Andreas Schwab wrote:
Postreload may transform (set (REGX) (CONST_INT A)) ... (set (REGX)
(CONST_INT B)) to (set (REGX) (CONST_INT A)) ... (set (STRICT_LOW_PART
(REGX)) (CONST_INT B)), but it should do that only if the latter is
cheaper. On m68k, a full word load of a small co
Postreload may transform (set (REGX) (CONST_INT A)) ... (set (REGX)
(CONST_INT B)) to (set (REGX) (CONST_INT A)) ... (set (STRICT_LOW_PART
(REGX)) (CONST_INT B)), but it should do that only if the latter is
cheaper. On m68k, a full word load of a small constant with moveq is
cheaper than doing a b
