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(emit_store_flag): If expanding (GE X 0) will need two insns, don't use subtarget for the result of the first insn.

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(emit_store_flag): If expanding (GE X 0) will need two
insns, don't use subtarget for the result of the first insn.
Move a likely constant to the start of a condition.

From-SVN: r11562
This commit is contained in:
Richard Kenner 1996-03-18 20:04:00 -05:00
parent 7b7e56373e
commit 1d6eaf3dea
1 changed files with 4 additions and 2 deletions
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6
gcc/expmed.c
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@ -3955,9 +3955,11 @@ emit_store_flag (target, code, op0, op1, mode, unsignedp, normalizep)
subtarget = 0;
if (code == GE)
op0 = expand_unop (mode, one_cmpl_optab, op0, subtarget, 0);
op0 = expand_unop (mode, one_cmpl_optab, op0,
((STORE_FLAG_VALUE == 1 || normalizep)
? 0 : subtarget), 0);
if (normalizep || STORE_FLAG_VALUE == 1)
if (STORE_FLAG_VALUE == 1 || normalizep)
/* If we are supposed to produce a 0/1 value, we want to do
a logical shift from the sign bit to the low-order bit; for
a -1/0 value, we do an arithmetic shift. */