diff options
| author | Iain Buclaw <ibuclaw@gdcproject.org> | 2020-03-31 00:24:13 +0200 |
|---|---|---|
| committer | Iain Buclaw <ibuclaw@gdcproject.org> | 2020-04-07 09:44:02 +0200 |
| commit | 30d26118f96fa542ee078834bc3cb4eef6730451 (patch) | |
| tree | 6a7ce62cfcde87f976621f5e01387b21f12d527b /gcc/d | |
| parent | 42867b875c386d23cae0ad66c50ab80cba47528d (diff) | |
d: Always set ASM_VOLATILE_P on asm statements (PR94425)
gcc/d/ChangeLog:
PR d/94425
* toir.cc (IRVisitor::visit (GccAsmStatement *)): Set ASM_VOLATILE_P
on all asm statements.
Diffstat (limited to 'gcc/d')
| -rw-r--r-- | gcc/d/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/d/toir.cc | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/d/ChangeLog b/gcc/d/ChangeLog index d27f83e77d4..73fd1844954 100644 --- a/gcc/d/ChangeLog +++ b/gcc/d/ChangeLog @@ -1,3 +1,9 @@ +2020-04-07 Iain Buclaw <ibuclaw@gdcproject.org> + + PR d/94425 + * toir.cc (IRVisitor::visit (GccAsmStatement *)): Set ASM_VOLATILE_P + on all asm statements. + 2020-04-01 Iain Buclaw <ibuclaw@gdcproject.org> PR d/90136 diff --git a/gcc/d/toir.cc b/gcc/d/toir.cc index 21e31dc93d4..6aaf10bf4e4 100644 --- a/gcc/d/toir.cc +++ b/gcc/d/toir.cc @@ -1427,8 +1427,9 @@ public: if (s->args == NULL && s->clobbers == NULL) ASM_INPUT_P (exp) = 1; - /* Asm statements are treated as volatile unless 'pure'. */ - ASM_VOLATILE_P (exp) = !(s->stc & STCpure); + /* All asm statements are assumed to have a side effect. As a future + optimization, this could be unset when building in release mode. */ + ASM_VOLATILE_P (exp) = 1; add_stmt (exp); } |