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asan: fix RTX emission for ilp32 

gcc/ChangeLog:

	PR sanitizer/95634
	* asan.c (asan_emit_stack_protection): Fix emission for ilp32
	by using Pmode instead of ptr_mode.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
This commit is contained in:
Martin Liska 2020-06-11 09:34:41 +02:00
parent 37478789dc
commit 8cff672cb9
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gcc/asan.c
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@ -1613,6 +1613,7 @@ asan_emit_stack_protection (rtx base, rtx pbase, unsigned int alignb,
mem = adjust_address (mem, ptr_mode, offset); mem = adjust_address (mem, ptr_mode, offset);
rtx addr = gen_reg_rtx (ptr_mode); rtx addr = gen_reg_rtx (ptr_mode);
emit_move_insn (addr, mem); emit_move_insn (addr, mem);
addr = convert_memory_address (Pmode, addr);
mem = gen_rtx_MEM (QImode, addr); mem = gen_rtx_MEM (QImode, addr);
emit_move_insn (mem, const0_rtx); emit_move_insn (mem, const0_rtx);
} }