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riscv-gcc-1
Commit a80586cc by Richard Kenner
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(gen_lowpart_common): When converting a floating point value into an 

integer, use WORD as (first) word.

From-SVN: r13011
parent 059c3d84
Showing with 5 additions and 3 deletions
gcc/emit-rtl.c
......@@ -811,7 +811,7 @@ gen_lowpart_common (mode, x)
&& 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));
return operand_subword (x, word, 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
......@@ -827,8 +827,10 @@ gen_lowpart_common (mode, x)
&& GET_MODE_CLASS (GET_MODE (x)) == MODE_FLOAT
&& GET_MODE_BITSIZE (mode) == 2 * BITS_PER_WORD)
{
rtx lowpart = operand_subword (x, WORDS_BIG_ENDIAN, 0, GET_MODE (x));
rtx highpart = operand_subword (x, ! WORDS_BIG_ENDIAN, 0, GET_MODE (x));
rtx lowpart
= operand_subword (x, word + WORDS_BIG_ENDIAN, 0, GET_MODE (x));
rtx highpart
= operand_subword (x, word + ! WORDS_BIG_ENDIAN, 0, GET_MODE (x));
if (lowpart && GET_CODE (lowpart) == CONST_INT
&& highpart && GET_CODE (highpart) == CONST_INT)
......
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