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| author | Richard Kenner <kenner@gcc.gnu.org> | 1992-05-25 17:21:34 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1992-05-25 17:21:34 -0400 |
| commit | b3bf132d2c543fe8c52b31e4139435895c63142f (patch) | |
| tree | e66810fc8ff1c04ed1c2fa7f5e4ef19230a13ed0 /gcc | |
| parent | bc56fd1d0948edbdfb22e864e3283ac5d032545d (diff) | |
| download | gcc-b3bf132d2c543fe8c52b31e4139435895c63142f.zip gcc-b3bf132d2c543fe8c52b31e4139435895c63142f.tar.gz gcc-b3bf132d2c543fe8c52b31e4139435895c63142f.tar.bz2 | |
*** empty log message ***
From-SVN: r1084
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/emit-rtl.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index ad8089b..6de0315 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -565,8 +565,9 @@ gen_lowpart_common (mode, x) value. If the machine-parameters allow it, simulate that union here and return the result. */ - else if (HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT - && HOST_BITS_PER_INT == BITS_PER_WORD + else if (((HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT + && HOST_BITS_PER_INT == BITS_PER_WORD) + || flag_pretend_float) && GET_MODE_CLASS (mode) == MODE_FLOAT && (GET_CODE (x) == CONST_INT || GET_CODE (x) == CONST_DOUBLE) && GET_MODE (x) == VOIDmode @@ -590,12 +591,26 @@ gen_lowpart_common (mode, x) } /* Similarly, if this is converting a floating-point value into a + single-word integer. Only do this is the host and target parameters are + compatible. */ + + else if (((HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT + && HOST_BITS_PER_INT == BITS_PER_WORD) + || flag_pretend_float) + && GET_MODE_CLASS (mode) == MODE_INT + && GET_CODE (x) == CONST_DOUBLE + && GET_MODE_CLASS (GET_MODE (x)) == MODE_FLOAT + && GET_MODE_BITSIZE (mode) == BITS_PER_WORD) + return operand_subword (x, 0, 0, GET_MODE (x)); + + /* Similarly, if this is converting a floating-point value into a two-word integer, we can do this one word at a time and make an integer. Only do this is the host and target parameters are compatible. */ - else if (HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT - && HOST_BITS_PER_INT == BITS_PER_WORD + else if (((HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT + && HOST_BITS_PER_INT == BITS_PER_WORD) + || flag_pretend_float) && GET_MODE_CLASS (mode) == MODE_INT && GET_CODE (x) == CONST_DOUBLE && GET_MODE_CLASS (GET_MODE (x)) == MODE_FLOAT |