sh.c (broken_move): Constant 0.
* sh.c (broken_move): Constant 0. / 1. load is OK if there is no r0 clobber. From-SVN: r52214
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Fri Apr 12 10:51:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
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* sh.c (broken_move): Constant 0. / 1. load is OK if there is
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no r0 clobber.
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2002-04-12 Andreas Schwab <schwab@suse.de>
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* config/ia64/ia64.h (EXTRA_SPECS): Fix missing backslash.
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@ -2507,9 +2507,16 @@ broken_move (insn)
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&& GET_CODE (SET_SRC (pat)) == CONST_DOUBLE
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&& (fp_zero_operand (SET_SRC (pat))
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|| fp_one_operand (SET_SRC (pat)))
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/* ??? If this is a -m4 or -m4-single compilation, we don't
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know the current setting of fpscr, so disable fldi. */
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&& (! TARGET_SH4 || TARGET_FMOVD)
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/* ??? If this is a -m4 or -m4-single compilation, in general
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we don't know the current setting of fpscr, so disable fldi.
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There is an exception if this was a register-register move
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before reload - and hence it was ascertained that we have
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single precision setting - and in a post-reload optimization
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we changed this to do a constant load. In that case
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we don't have an r0 clobber, hence we must use fldi. */
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&& (! TARGET_SH4 || TARGET_FMOVD
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|| (GET_CODE (XEXP (XVECEXP (PATTERN (insn), 0, 2), 0))
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== SCRATCH))
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&& GET_CODE (SET_DEST (pat)) == REG
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&& FP_REGISTER_P (REGNO (SET_DEST (pat))))
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&& (GET_CODE (SET_SRC (pat)) != CONST_INT
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