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DISCONTINUED:openSUSE:11.2
libgcj41
nov354405.diff
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File nov354405.diff of Package libgcj41
2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com> * reload.c (combine_reloads): When trying to use a dying register, check whether it's uninitialized and don't use if so. Index: gcc/reload.c =================================================================== --- gcc/reload.c (revision 124267) +++ gcc/reload.c (working copy) @@ -1867,7 +1867,12 @@ || ! (TEST_HARD_REG_BIT (reg_class_contents[(int) rld[secondary_out].class], REGNO (XEXP (note, 0))))))) - && ! fixed_regs[REGNO (XEXP (note, 0))]) + && ! fixed_regs[REGNO (XEXP (note, 0))] + /* Check that we don't use a hardreg for an uninitialized + pseudo. See also find_dummy_reload(). */ + && (ORIGINAL_REGNO (XEXP (note, 0)) < FIRST_PSEUDO_REGISTER + || ! bitmap_bit_p (ENTRY_BLOCK_PTR->il.rtl->global_live_at_end, + ORIGINAL_REGNO (XEXP (note, 0))))) { rld[output_reload].reg_rtx = gen_rtx_REG (rld[output_reload].outmode,
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