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| author | Mark Mitchell <mark@codesourcery.com> | 2003-03-16 20:13:36 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2003-03-16 20:13:36 +0000 |
| commit | ddc67067146f2783f386e61f880d6fe87fb324a3 (patch) | |
| tree | 749a89537d94783cb3c07d61be72ff1f7ad7f747 | |
| parent | 0a71919d5257d2e9097d79d00d840f4ecfd746c4 (diff) | |
| download | gcc-ddc67067146f2783f386e61f880d6fe87fb324a3.zip gcc-ddc67067146f2783f386e61f880d6fe87fb324a3.tar.gz gcc-ddc67067146f2783f386e61f880d6fe87fb324a3.tar.bz2 | |
re PR rtl-optimization/9016 (Failure to consistently constant fold "constant" C++ objects)
PR optimization/9016
* config/i386/i386.c (ix86_expand_move): Force more CONST_DOUBLEs
into the constant pool.
From-SVN: r64445
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 14 |
2 files changed, 17 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d7d2eb4..9fee358 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-03-14 Mark Mitchell <mark@codesourcery.com> + + PR optimization/9016 + * config/i386/i386.c (ix86_expand_move): Force more CONST_DOUBLEs + into the constant pool. + 2003-03-16 Falk Hueffner <falk.hueffner@student.uni-tuebingen.de> PR target/9164 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index ae2f118..2dddfb7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -8373,9 +8373,17 @@ ix86_expand_move (mode, operands) if (strict) ; - else if (GET_CODE (op1) == CONST_DOUBLE - && register_operand (op0, mode)) - op1 = validize_mem (force_const_mem (mode, op1)); + else if (GET_CODE (op1) == CONST_DOUBLE) + { + op1 = validize_mem (force_const_mem (mode, op1)); + if (!register_operand (op0, mode)) + { + rtx temp = gen_reg_rtx (mode); + emit_insn (gen_rtx_SET (VOIDmode, temp, op1)); + emit_move_insn (op0, temp); + return; + } + } } } |