https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 69734, which changed state.
Bug 69734 Summary: no_caller_saved_registers attribute doesn't work with
-mavx512f -g
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69734
What|Removed |Added
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 69596, which changed state.
Bug 69596 Summary: vzeroupper is generated in interrupt handler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69596
What|Removed |Added
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 69575, which changed state.
Bug 69575 Summary: [interrupt] The direction flag DF in the FLAGS register may
be wrong in interrupt handler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69575
What|Removed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 68037, which changed state.
Bug 68037 Summary: x86 interrupt attribute doesn't work with DRAP
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68037
What|Removed |Added
-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 67648, which changed state.
Bug 67648 Summary: No need to save callee-saved registers in interrupt handler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67648
What|Removed |Added
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 67841, which changed state.
Bug 67841 Summary: error: unable to find a register to spill if all registers
are callee-saved
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67841
What|Removed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 67850, which changed state.
Bug 67850 Summary: Wrong call_used_regs used in aggregate_value_p
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67850
What|Removed |Added
-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 67855, which changed state.
Bug 67855 Summary: -g doesn't with x86 interrupt handler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67855
What|Removed |Added
--
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 67698, which changed state.
Bug 67698 Summary: internal compiler error: in maybe_record_trace_start, at
dwarf2cfi.c:2297
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67698
What|Removed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 67630, which changed state.
Bug 67630 Summary: ymm and zmm register aren't preserved in interrupt handler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67630
What|Removed |Added
-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
Bug 67552 depends on bug 67634, which changed state.
Bug 67634 Summary: Can't preserve bound register in interrupt handler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67634
What|Removed |Added
-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
--- Comment #7 from H.J. Lu ---
I think we should place
if (current_function_decl && ix86_is_interrupt_p ())
{
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
{
if (!STACK_REGNO_P (i) && !MMX_REGNO_P (i))
{
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
H.J. Lu changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
--- Comment #5 from Yulia Koval ---
Sorry, I don't understand why we shouldn't preserve the red zone. The function
"foo", executing before the interrupt was called, used its red zone. If the
interrupt does not adjust the stack pointer, who contro
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
--- Comment #4 from H.J. Lu ---
MMX instructions should be disallowed in interrupt handler:
[hjl@gnu-6 interrupt-1]$ cat m.i
typedef short __v4hi __attribute__ ((__vector_size__ (8)));
typedef int __m64 __attribute__ ((__vector_size__ (8), __ma
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
--- Comment #3 from H.J. Lu ---
X87 instructions should be disallowed in interrupt handler:
[hjl@gnu-6 interrupt-1]$ cat f.i
extern long double y, x;
void
__attribute__((interrupt))
fn1 (void)
{
x += y;
}
[hjl@gnu-6 interrupt-1]$ make f.s
/ex
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
--- Comment #2 from H.J. Lu ---
Red zone isn't supported in interrupt handler:
'interrupt'
Use this attribute to indicate that the specified void function
without arguments is an interrupt handler. The compiler generates
function
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552
--- Comment #1 from H.J. Lu ---
Created attachment 36324
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36324&action=edit
A patch to remove railing whitespaces in interrupt-switch-abi.c
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