config/i386/i386.c

2176   /* If we're doing fast math, we don't care about comparison order
2177      wrt NaNs.  This lets us use a shorter comparison sequence.  */
5876 	 controlled by a comparison vs the only read from a global.
10252 /* Return true if we should use an FCOMI instruction for this fp comparison.  */
10264    to a fp comparison.  The operands are updated in place; the new
10265    comparison code is returned.  */
10326   /* Try to rearrange the comparison to make it cheaper.  */
10343 /* Convert comparison codes we use to represent FP comparison to integer
10377 /* Split comparison code CODE into comparisons we can do using branch
10378    instructions.  BYPASS_CODE is comparison code for branch that will
10392   /* The fcomi comparison sets flags as follows:
10445 /* Return cost of comparison done fcom + arithmetics operations on AX.
10482 /* Return cost of comparison done using fcomi operation.
10496 /* Return cost of comparison done using sahf operation.
10510 /* Compute cost of the comparison done using any method.
11076   /* Attach a REG_EQUAL note describing the comparison result.  */
11088 /* Expand comparison setting or clearing carry flag.  Return true when
11120       /* Try to expand the comparison and verify that we end up with carry flag
11121 	 based comparison.  This is fails to be true only when we decide to expand
11122 	 comparison using arithmetic that is not too common scenario.  */
11668    * For comparison with above,
11727    to an sse comparison with a mask result.  Thus we differ a bit from
11732    comparison code is returned, or UNKNOWN if not implementable.  */
11761 	 operand to be first in the comparison - this helps reload to
11771       /* These are not supported directly.  Swap the comparison operands
11842 /* Expand an sse vector comparison.  Return the register with the result.  */
11926 	 comparison mode doesn't match the move mode.  */
11951      support conditions resulting from a signed integer comparison.  */
12033   /* Canonicalize the comparison to EQ, GT, GTU.  */
12065      tricks to turn this into a signed comparison against 0.  */
15029 /* Set when we don't support the comparison natively, and should
15039   const enum rtx_code comparison;
16338 /* Subroutine of ix86_expand_builtin to take care of comparison insns.  */
16353   enum rtx_code comparison = d->comparison;
16360   /* Swap operands if we have a comparison that isn't available in
16382   op2 = gen_rtx_fmt_ee (comparison, mode0, op0, op1);
16404   enum rtx_code comparison = d->comparison;
16411   /* Swap operands if we have a comparison that isn't available in
16431   op2 = gen_rtx_fmt_ee (comparison, mode0, op0, op1);
16438 			  gen_rtx_fmt_ee (comparison, QImode,