builtins/hexagon/dffma.S

58 #define P_TMP p0
335 		p0 = cmp.eq(TMP,#2)
336 		if (p0.new) AH = ##0x80000000
349 		p0 = cmp.gtu(ONE,CTMP)
350 		if (p0.new) jump:nt .Ladd_yields_zero
387 		p0 = cmp.gt(EXPA,##BIAS+BIAS)
388 		if (p0.new) jump:nt .Lfma_ovf
391 		p0 = cmp.gt(EXPA,#0)
392 		if (p0.new) jump:nt .Lpossible_unf
421 		p0 = cmp.gtu(ONE,B)
422 		if (!p0.new) ATMPL = or(ATMPL,S_ONE)
449 		p0 = cmp.eq(AL,#0)
450 		p0 = bitsclr(AH,TMP)
451 		if (!p0.new) dealloc_return:t
455 		p0 = bitsset(ATMPH,TMP)
460 		if (p0) BH = or(BH,BL)
466 		p0 = dfcmp.eq(A,A)
486 		p0 = !cmp.eq(BL,#1)
487 		p0 = !cmp.eq(BH,#2)
490 		p0 = dfcmp.eq(ATMP,ATMP)
491 		if (p0.new) CTMP = ATMP
523 		p0 = dfclass(A,#0x0f)		// A NaN?
524 		if (!p0.new) jump:nt .Lnan
533 		p0 = dfclass(A,#0x08)		// a is inf
534 		p0 = dfclass(B,#0x01)		// b is zero
541 		if (p0) jump .Linvalid
551 		p0 = bitsclr(AH,TMP)
552 		if (p0.new) jump:nt .Lfma_ab_tiny
577 		p0 = dfclass(C,#0x10)
581 		if (p0) jump .Lnan
594 		p0 = dfcmp.eq(A,C)
595 		if (!p0.new) jump:nt .Linvalid
603 		p0 = dfclass(B,#0x10)
605 		if (!p0.new) B = A
630 		p0 = dfclass(C,#0x10)
631 		if (p0.new) jump:nt .Lnan
632 		if (p0.new) A = C
635 		p0 = dfcmp.eq(B,C)		// is C also zero?
640 		if (!p0) A = C			// If C is not zero, return C
641 		if (!p0) jumpr r31
646 		p0 = cmp.eq(B,C)		// yes, scalar equals.  +0++0 or -0+-0
647 		if (p0.new) jumpr:t r31
658 		p0 = cmp.eq(TMP,#2)
659 		if (p0.new) AH = ##0x80000000
671 		p0 = dfclass(C,#0x10)		// is C NaN?
672 		if (p0.new) jump:nt .Lnan
673 		if (p0.new) A = C		// move NaN to A
677 		p0 = dfclass(C,#0x08)		// is C inf?
678 		if (p0.new) A = C		// return C
679 		if (p0.new) jumpr:nt r31
684 		p0 = dfclass(C,#0x01)		// is C zero?
685 		if (p0.new) jump:nt __hexagon_muldf3