aboutsummaryrefslogtreecommitdiff
path: root/libcpp
diff options
context:
space:
mode:
authorRichard Biener <rguenther@suse.de>2024-05-28 13:29:30 +0200
committerRichard Biener <rguenther@suse.de>2024-05-28 14:12:46 +0200
commit19cc61111120087619b496732b249b48b1fbe27e (patch)
tree014b0d9091e3770fd05155f6aefd691c0e70de39 /libcpp
parenteaaa4b88038d4d6eda1b20ab662f1568fd9be31f (diff)
downloadgcc-19cc61111120087619b496732b249b48b1fbe27e.zip
gcc-19cc61111120087619b496732b249b48b1fbe27e.tar.gz
gcc-19cc61111120087619b496732b249b48b1fbe27e.tar.bz2
Avoid pessimistic constraints for asm memory constraints
We process asm memory input/outputs with constraints to ESCAPED but for this temporarily build an ADDR_EXPR. The issue is that the used build_fold_addr_expr ends up wrapping the ADDR_EXPR in a conversion which ends up producing &ANYTHING constraints which is quite bad. The following uses get_constraint_for_address_of instead, avoiding the temporary tree and the unhandled conversion. This avoids a gcc.dg/tree-ssa/restrict-9.c FAIL with the fix for PR115236. * tree-ssa-structalias.cc (find_func_aliases): Use get_constraint_for_address_of to build escape constraints for asm inputs and outputs.
Diffstat (limited to 'libcpp')
0 files changed, 0 insertions, 0 deletions