We decided to also apply this patch to fix a wrong code generation to the ARM
embedded 6 branch.
2016-12-07 Thomas Preud'homme
Backport from mainline
2016-12-07 Thomas Preud'homme
gcc/
PR rtl-optimization/78617
* lra-remat.c (do_remat): Initialize live_hard_regs from
On 12/01/2016 12:40 PM, Thomas Preudhomme wrote:
Hi,
When considering a candidate for rematerialization, LRA verifies if
the candidate clobbers a live register before going forward with the
rematerialization (see code starting with comment "Check clobbers do
not kill something living."). To
Hi,
When considering a candidate for rematerialization, LRA verifies if the
candidate clobbers a live register before going forward with the
rematerialization (see code starting with comment "Check clobbers do not kill
something living."). To do this check, the set of live registers at any giv