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re PR rtl-optimization/77714 (Wrong code generation for gcc.c-torture/execute/pr51447.c) 

2016-09-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rlt-optimization/77714
        * lra-eliminations.c (eliminate_regs_in_insn): Avoid alias on
        REG_EQUAL note.

From-SVN: r240518
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Bernd Edlinger 2016-09-27 04:54:49 +00:00 committed by Bernd Edlinger
parent 3a4228babc
commit 0fbac2d130
2 changed files with 7 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2016-09-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR rlt-optimization/77714
* lra-eliminations.c (eliminate_regs_in_insn): Avoid alias on
REG_EQUAL note.
2016-09-27 Kugan Vivekanandarajah <kuganv@linaro.org>
PR ipa/77677

2
gcc/lra-eliminations.c
View File

@ -981,7 +981,7 @@ eliminate_regs_in_insn (rtx_insn *insn, bool replace_p, bool first_p,
}
lra_update_insn_recog_data (insn);
/* Add offset note for future updates. */
add_reg_note (insn, REG_EQUAL, src);
add_reg_note (insn, REG_EQUAL, copy_rtx (src));
return;
}
}