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(gen_realpart, gen_imagpart): New functions.

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From-SVN: r2323
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Richard Stallman 1992-10-05 06:34:26 +00:00
parent 2d7050fdca
commit 280194b05b
1 changed files with 28 additions and 0 deletions
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28
gcc/emit-rtl.c
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@ -656,6 +656,34 @@ gen_lowpart_common (mode, x)
return 0;
}
/* Return the real part (which has mode MODE) of a complex value X.
This always comes at the low address in memory. */
rtx
gen_realpart (mode, x)
enum machine_mode mode;
register rtx x;
{
if (WORDS_BIG_ENDIAN)
return gen_highpart (mode, x);
else
return gen_lowpart (mode, x);
}
/* Return the imaginary part (which has mode MODE) of a complex value X.
This always comes at the high address in memory. */
rtx
gen_imagpart (mode, x)
enum machine_mode mode;
register rtx x;
{
if (WORDS_BIG_ENDIAN)
return gen_lowpart (mode, x);
else
return gen_highpart (mode, x);
}
/* Assuming that X is an rtx (e.g., MEM, REG or SUBREG) for a value,
return an rtx (MEM, SUBREG, or CONST_INT) that refers to the
least-significant part of X.