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| author | Jakub Jelinek <jakub@redhat.com> | 2019-05-11 11:33:22 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-05-11 11:33:22 +0200 |
| commit | b5b9147d35ee509714c34d813c7723bf18bb7b7a (patch) | |
| tree | a8ee2efdd41e8ca356e2d727e526dfdfabd18c96 /gcc | |
| parent | c57cbfe2f722119aeabaf3bc1eaa66edb3927209 (diff) | |
| download | gcc-b5b9147d35ee509714c34d813c7723bf18bb7b7a.zip gcc-b5b9147d35ee509714c34d813c7723bf18bb7b7a.tar.gz gcc-b5b9147d35ee509714c34d813c7723bf18bb7b7a.tar.bz2 | |
re PR c++/59813 (tail-call elimination didn't fire for left-shift of char to cout)
PR c++/59813
* config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
From-SVN: r271093
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 09552a1..e4b0099 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-05-11 Jakub Jelinek <jakub@redhat.com> + + PR c++/59813 + * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add + EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues. + 2019-05-11 Uroš Bizjak <ubizjak@gmail.com> * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm): diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index c3c88c8..1f90467 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -5913,7 +5913,7 @@ aarch64_expand_epilogue (bool for_sibcall) } /* Stack adjustment for exception handler. */ - if (crtl->calls_eh_return) + if (crtl->calls_eh_return && !for_sibcall) { /* We need to unwind the stack by the offset computed by EH_RETURN_STACKADJ_RTX. We have already reset the CFA |