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sh.c (sh_expand_prologue): Let the second toggle_sz be optimized away.
* config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be optimized away. From-SVN: r38976
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@ -1,5 +1,8 @@
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2001-01-13 Alexandre Oliva <aoliva@redhat.com>
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2001-01-13 Alexandre Oliva <aoliva@redhat.com>
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* config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
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optimized away.
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* config/sh/sh.c (mova_p): Fix test for mova_const.
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* config/sh/sh.c (mova_p): Fix test for mova_const.
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2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
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2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
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@ -3969,7 +3969,16 @@ sh_expand_prologue ()
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emit_insn (gen_GOTaddr2picreg ());
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emit_insn (gen_GOTaddr2picreg ());
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if (target_flags != save_flags)
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if (target_flags != save_flags)
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emit_insn (gen_toggle_sz ());
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{
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rtx insn = emit_insn (gen_toggle_sz ());
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/* If we're lucky, a mode switch in the function body will
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overwrite fpscr, turning this insn dead. Tell flow this
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insn is ok to delete. */
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REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_MAYBE_DEAD,
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const0_rtx,
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REG_NOTES (insn));
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}
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target_flags = save_flags;
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target_flags = save_flags;
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