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| author | Bernd Schmidt <bernd.schmidt@analog.com> | 2004-11-13 17:11:02 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2004-11-13 17:11:02 +0000 |
| commit | 32fab725bcf126e5b2722734c70212c4671ebc24 (patch) | |
| tree | 0ad2fb0cebe676d8f7b9765e13e0537ceee3859b /gcc/cse.c | |
| parent | 04e818085091dd5166982fa183db48e677a8583e (diff) | |
| download | gcc-32fab725bcf126e5b2722734c70212c4671ebc24.zip gcc-32fab725bcf126e5b2722734c70212c4671ebc24.tar.gz gcc-32fab725bcf126e5b2722734c70212c4671ebc24.tar.bz2 | |
cse.c (cse_insn): Stores in a libcall sequence can invalidate previous loads.
* cse.c (cse_insn): Stores in a libcall sequence can invalidate
previous loads.
From-SVN: r90587
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 14 |
1 files changed, 2 insertions, 12 deletions
@@ -5681,12 +5681,7 @@ cse_insn (rtx insn, rtx libcall_insn) if (REG_P (dest) || GET_CODE (dest) == SUBREG) invalidate (dest, VOIDmode); else if (MEM_P (dest)) - { - /* Outgoing arguments for a libcall don't - affect any recorded expressions. */ - if (! libcall_insn || insn == libcall_insn) - invalidate (dest, VOIDmode); - } + invalidate (dest, VOIDmode); else if (GET_CODE (dest) == STRICT_LOW_PART || GET_CODE (dest) == ZERO_EXTRACT) invalidate (XEXP (dest, 0), GET_MODE (dest)); @@ -5854,12 +5849,7 @@ cse_insn (rtx insn, rtx libcall_insn) if (REG_P (dest) || GET_CODE (dest) == SUBREG) invalidate (dest, VOIDmode); else if (MEM_P (dest)) - { - /* Outgoing arguments for a libcall don't - affect any recorded expressions. */ - if (! libcall_insn || insn == libcall_insn) - invalidate (dest, VOIDmode); - } + invalidate (dest, VOIDmode); else if (GET_CODE (dest) == STRICT_LOW_PART || GET_CODE (dest) == ZERO_EXTRACT) invalidate (XEXP (dest, 0), GET_MODE (dest)); |