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function.c (gen_mem_addressof): When changing the RTX from a REG to a MEM... 

* function.c (gen_mem_addressof): When changing the RTX from a REG
	to a MEM, clear MEM_VOLATILE_P which was formerly REG_USERVAR_P.

From-SVN: r80540
This commit is contained in:
Roger Sayle 2004-04-09 01:38:12 +00:00 committed by Roger Sayle
parent 82a6a7583c
commit 886733617a
2 changed files with 6 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-04-08 Roger Sayle <roger@eyesopen.com>
* function.c (gen_mem_addressof): When changing the RTX from a REG
to a MEM, clear MEM_VOLATILE_P which was formerly REG_USERVAR_P.
2004-04-08 Roger Sayle <roger@eyesopen.com>
PR target/14888

3
gcc/function.c
View File

@ -2856,6 +2856,7 @@ gen_mem_addressof (rtx reg, tree decl, int rescan)
RTX_UNCHANGING_P (XEXP (r, 0)) = RTX_UNCHANGING_P (reg);
PUT_CODE (reg, MEM);
MEM_VOLATILE_P (reg) = 0;
MEM_ATTRS (reg) = 0;
XEXP (reg, 0) = r;
@ -2888,11 +2889,9 @@ gen_mem_addressof (rtx reg, tree decl, int rescan)
{
/* This can only happen during reload. Clear the same flag bits as
reload. */
MEM_VOLATILE_P (reg) = 0;
RTX_UNCHANGING_P (reg) = 0;
MEM_IN_STRUCT_P (reg) = 0;
MEM_SCALAR_P (reg) = 0;
MEM_ATTRS (reg) = 0;
fixup_var_refs (reg, GET_MODE (reg), 0, reg, 0);
}