diff options
Diffstat (limited to 'toolchain/gcc/4.2.1/905-avr32-fix-folding-machine-reorg-optimizations.patch')
| -rw-r--r-- | toolchain/gcc/4.2.1/905-avr32-fix-folding-machine-reorg-optimizations.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/toolchain/gcc/4.2.1/905-avr32-fix-folding-machine-reorg-optimizations.patch b/toolchain/gcc/4.2.1/905-avr32-fix-folding-machine-reorg-optimizations.patch new file mode 100644 index 000000000..7a160d6e9 --- /dev/null +++ b/toolchain/gcc/4.2.1/905-avr32-fix-folding-machine-reorg-optimizations.patch @@ -0,0 +1,48 @@ +Index: a/gcc/config/avr32/avr32.c +=================================================================== +--- a/gcc/config/avr32/avr32.c (revision 31997) ++++ b/gcc/config/avr32/avr32.c (working copy) +@@ -6323,25 +6323,26 @@ + /* If used any other place than as a pointer or as the + destination register we failed */ + if (!(single_set (scan) +- && GET_CODE (PATTERN (scan)) == SET +- && ((MEM_P (SET_DEST (PATTERN (scan))) +- && REG_P (XEXP (SET_DEST (PATTERN (scan)), 0)) +- && REGNO (XEXP (SET_DEST (PATTERN (scan)), 0)) == +- REGNO (reg)) || (MEM_P (SET_SRC (PATTERN (scan))) +- && +- REG_P (XEXP +- (SET_SRC (PATTERN (scan)), +- 0)) +- && +- REGNO (XEXP +- (SET_SRC (PATTERN (scan)), +- 0)) == REGNO (reg)))) +- && !(GET_CODE (PATTERN (scan)) == SET +- && REG_P (SET_DEST (PATTERN (scan))) +- && !regno_use_in (REGNO (reg), +- SET_SRC (PATTERN (scan))))) ++ && GET_CODE (PATTERN (scan)) == SET ++ && ((MEM_P (SET_DEST (PATTERN (scan))) ++ && REG_P (XEXP (SET_DEST (PATTERN (scan)), 0)) ++ && REGNO (XEXP (SET_DEST (PATTERN (scan)), 0)) == REGNO (reg)) ++ || (MEM_P (SET_SRC (PATTERN (scan))) ++ && REG_P (XEXP (SET_SRC (PATTERN (scan)), 0)) ++ && REGNO (XEXP ++ (SET_SRC (PATTERN (scan)), 0)) == REGNO (reg)))) ++ && !(GET_CODE (PATTERN (scan)) == SET ++ && REG_P (SET_DEST (PATTERN (scan))) ++ && !regno_use_in (REGNO (reg), ++ SET_SRC (PATTERN (scan))))) + break; + ++ /* We cannot replace the pointer in TImode insns ++ as these has a differene addressing mode than the other ++ memory insns. */ ++ if ( GET_MODE (SET_DEST (PATTERN (scan))) == TImode ) ++ break; ++ + /* Check if register is dead or set in this insn */ + if (dead_or_set_p (scan, reg)) + { |