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* [gcc r12-6405] Properly enable -freorder-blocks-and-partition on 64-bit Windows
@ 2022-01-10 11:44 Eric Botcazou
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From: Eric Botcazou @ 2022-01-10 11:44 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:8234b0dcb2484f836d0fb8f12aa6b04f5e66db6f
commit r12-6405-g8234b0dcb2484f836d0fb8f12aa6b04f5e66db6f
Author: Eric Botcazou <ebotcazou@adacore.com>
Date: Mon Jan 10 12:40:10 2022 +0100
Properly enable -freorder-blocks-and-partition on 64-bit Windows
The PR uncovered that -freorder-blocks-and-partition was working by accident
on 64-bit Windows, i.e. the middle-end was supposed to disable it with SEH.
After the change installed on mainline, the middle-end properly disables it,
which is too bad since a significant amount of work went into it for SEH.
gcc/
PR target/103465
* coretypes.h (unwind_info_type): Swap UI_SEH and UI_TARGET.
Diff:
---
gcc/coretypes.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/gcc/coretypes.h b/gcc/coretypes.h
index 0769a78a87c..f3559373433 100644
--- a/gcc/coretypes.h
+++ b/gcc/coretypes.h
@@ -228,15 +228,17 @@ enum stack_protector {
SPCT_FLAG_EXPLICIT = 4
};
-/* Types of unwind/exception handling info that can be generated. */
+/* Types of unwind/exception handling info that can be generated.
+ Note that a UI_TARGET (or larger) setting is considered to be
+ incompatible with -freorder-blocks-and-partition. */
enum unwind_info_type
{
UI_NONE,
UI_SJLJ,
UI_DWARF2,
- UI_TARGET,
- UI_SEH
+ UI_SEH,
+ UI_TARGET
};
/* Callgraph node profile representation. */
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