On 13-03-14 21:49, Richard Henderson wrote:
(define_expand ldexpxf3
- [(set (match_dup 3)
- (float:XF (match_operand:SI 2 register_operand)))
- (parallel [(set (match_operand:XF 0 register_operand)
- (unspec:XF [(match_operand:XF 1 register_operand)
-
On Sat, Apr 26, 2014 at 11:27 AM, Tom de Vries tom_devr...@mentor.com wrote:
On 13-03-14 21:49, Richard Henderson wrote:
(define_expand ldexpxf3
- [(set (match_dup 3)
- (float:XF (match_operand:SI 2 register_operand)))
- (parallel [(set (match_operand:XF 0 register_operand)
-
OK if bootstrap succeeds?
With testing of the bootstrap build of the patch, I ran into the following
regression compared to a reference bootstrap build without the patch:
...
FAIL: g++.dg/tsan/cond_race.C -O2 output pattern test, is ==3087==WARNING:
Program is run with unlimited stack
The original ICE is caused by the dwarf2cfi pass not noticing a stack
adjustment in the insn stream. The reason for the miss is that the push/pop
was added by a post-reload splitter, which did nothing to mark the insn for
special treatment.
In the PR, Jakub and I threw around several ideas.
My
