https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93990
--- Comment #6 from Andrew Pinski ---
(In reply to Andrew Pinski from comment #5)
> That leaves if there case where the first argument is non-zero and the
> result is used. I think going the route that Jakub mentions is best for this
> last
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93990
Andrew Pinski changed:
What|Removed |Added
Status|REOPENED|NEW
Severity|normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93990
--- Comment #4 from Jakub Jelinek ---
I have tried:
--- gcc/config/i386/i386-expand.c.jj2020-01-12 11:54:36.323414766 +0100
+++ gcc/config/i386/i386-expand.c 2020-03-03 12:44:54.116134173 +0100
@@ -11902,7 +11902,18 @@ rdseed_step:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93990
Jakub Jelinek changed:
What|Removed |Added
Status|RESOLVED|REOPENED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93990
Jack Lloyd changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93990
--- Comment #1 from Andrew Pinski ---
This is already been fixed in GCC 10:
addq%rdx, %rdi
movq%rsi, %rax
adcq%rcx, %rax
xorq%rdi, %rax
ret
.ident "GCC: (GNU) 10.0.1 20200121
