29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
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commit eecbe7ada9a8ab913e779a27c0e90ec736eedc78
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Author: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Fri Nov 3 17:14:23 2017 +0000
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* config/i386/i386.c (ix86_expand_prologue): Tighten assert
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for int_registers_saved.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@254386 138bc75d-0d04-0410-961f-82ee72b054a4
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diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
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index 086848b2c73..fd74f1f6c0c 100644
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--- a/gcc/config/i386/i386.c
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+++ b/gcc/config/i386/i386.c
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@@ -14172,8 +14172,12 @@ ix86_expand_prologue (void)
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&& (flag_stack_check == STATIC_BUILTIN_STACK_CHECK
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|| flag_stack_clash_protection))
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{
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- /* We expect the registers to be saved when probes are used. */
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- gcc_assert (int_registers_saved);
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+ /* This assert wants to verify that integer registers were saved
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+ prior to probing. This is necessary when probing may be implemented
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+ as a function call (Windows). It is not necessary for stack clash
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+ protection probing. */
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+ if (!flag_stack_clash_protection)
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+ gcc_assert (int_registers_saved);
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if (flag_stack_clash_protection)
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{
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