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(mark_used_regs): Only show changes size if one mode is integral.

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From-SVN: r7904
This commit is contained in:
Richard Kenner 1994-08-12 14:56:03 -04:00
parent 04c9e540c7
commit 5638ef0d7b
1 changed files with 3 additions and 1 deletions
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4
gcc/flow.c
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@ -2282,7 +2282,9 @@ mark_used_regs (needed, live, x, final, insn)
if (GET_CODE (SUBREG_REG (x)) == REG
&& REGNO (SUBREG_REG (x)) >= FIRST_PSEUDO_REGISTER
&& (GET_MODE_SIZE (GET_MODE (x))
!= GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))))
!= GET_MODE_SIZE (GET_MODE (SUBREG_REG (x))))
&& (INTEGRAL_MODE_P (GET_MODE (x))
|| INTEGRAL_MODE_P (GET_MODE (SUBREG_REG (x)))))
reg_changes_size[REGNO (SUBREG_REG (x))] = 1;
/* While we're here, optimize this case. */