- use c89-style comments

  Closes issue #5194

1 files changed, 80 insertions, 80 deletions

diff --git a/libc/string/ia64/memcpy.S b/libc/string/ia64/memcpy.S
index 810eb0c0e..6c48a72d9 100644
--- a/libc/string/ia64/memcpy.S
+++ b/libc/string/ia64/memcpy.S
@@ -42,8 +42,8 @@
 
 #define LFETCH_DIST     500
 
-#define ALIGN_UNROLL_no   4 // no. of elements
-#define ALIGN_UNROLL_sh	  2 // (shift amount)
+#define ALIGN_UNROLL_no   4 /* no. of elements */
+#define ALIGN_UNROLL_sh	  2 /* (shift amount) */
 
 #define MEMLAT	8
 #define Nrot	((4*(MEMLAT+2) + 7) & ~7)
@@ -168,76 +168,76 @@ ENTRY(memcpy)
 	.rotr	r[MEMLAT+1], s[MEMLAT+2], q[MEMLAT+1], t[MEMLAT+1]
 	.rotp	p[MEMLAT+2]
 	.rotf	fr[MEMLAT+1], fq[MEMLAT+1], fs[MEMLAT+1], ft[MEMLAT+1]
-	mov	ret0 = in0		// return tmp2 = dest
+	mov	ret0 = in0		/* return tmp2 = dest */
 	.save   pr, saved_pr
-	movi0	saved_pr = pr		// save the predicate registers
+	movi0	saved_pr = pr		/* save the predicate registers */
 } { .mmi
-	and	tmp4 = 7, in0 		// check if destination is aligned
-	mov 	dest = in0		// dest
-	mov 	src = in1		// src
+	and	tmp4 = 7, in0 		/* check if destination is aligned */
+	mov 	dest = in0		/* dest */
+	mov 	src = in1		/* src */
 ;; }
 { .mii
-	cmp.eq	p_scr, p0 = in2, r0	// if (len == 0)
+	cmp.eq	p_scr, p0 = in2, r0	/* if (len == 0) */
 	.save   ar.lc, saved_lc
-        movi0 	saved_lc = ar.lc	// save the loop counter
+        movi0 	saved_lc = ar.lc	/* save the loop counter */
 	.body
-	cmp.ge	p_few, p0 = OP_T_THRES, in2 // is len <= OP_T_THRESH
+	cmp.ge	p_few, p0 = OP_T_THRES, in2 /* is len <= OP_T_THRESH */
 } { .mbb
-	mov	len = in2		// len
-(p_scr)	br.cond.dpnt.few .restore_and_exit // 	Branch no. 1: return dest
-(p_few) br.cond.dpnt.many .copy_bytes	// Branch no. 2: copy byte by byte
+	mov	len = in2		/* len */
+(p_scr)	br.cond.dpnt.few .restore_and_exit /* 	Branch no. 1: return dest */
+(p_few) br.cond.dpnt.many .copy_bytes	/* Branch no. 2: copy byte by byte */
 ;; }
 { .mmi
 #if defined(USE_LFETCH)
-	lfetch.nt1 [dest]		//
-	lfetch.nt1 [src]		//
+	lfetch.nt1 [dest]		/* */
+	lfetch.nt1 [src]		/* */
 #endif
-	shr.u	elemcnt = len, 3	// elemcnt = len / 8
+	shr.u	elemcnt = len, 3	/* elemcnt = len / 8 */
 } { .mib
-	cmp.eq	p_scr, p0 = tmp4, r0	// is destination aligned?
-	sub	loopcnt = 7, tmp4	//
+	cmp.eq	p_scr, p0 = tmp4, r0	/* is destination aligned? */
+	sub	loopcnt = 7, tmp4	/* */
 (p_scr) br.cond.dptk.many .dest_aligned
 ;; }
 { .mmi
-	ld1	tmp2 = [src], 1		//
-	sub	len = len, loopcnt, 1	// reduce len
-	movi0	ar.lc = loopcnt		//
+	ld1	tmp2 = [src], 1		/* */
+	sub	len = len, loopcnt, 1	/* reduce len */
+	movi0	ar.lc = loopcnt		/* */
 } { .mib
-	cmp.ne  p_scr, p0 = 0, loopcnt	// avoid loading beyond end-point
+	cmp.ne  p_scr, p0 = 0, loopcnt	/* avoid loading beyond end-point */
 ;; }
 
-.l0:	// ---------------------------- // L0: Align src on 8-byte boundary
+.l0:	/* ---------------------------- L0: Align src on 8-byte boundary */
 { .mmi
-	st1	[dest] = tmp2, 1	//
-(p_scr)	ld1	tmp2 = [src], 1		//
+	st1	[dest] = tmp2, 1	/* */
+(p_scr)	ld1	tmp2 = [src], 1		/* */
 } { .mib
-	cmp.lt	p_scr, p0 = 1, loopcnt	// avoid load beyond end-point
+	cmp.lt	p_scr, p0 = 1, loopcnt	/* avoid load beyond end-point */
 	add	loopcnt = -1, loopcnt
-	br.cloop.dptk.few .l0		//
+	br.cloop.dptk.few .l0		/* */
 ;; }
 
 .dest_aligned:
 { .mmi
-	and	tmp4 = 7, src		// ready for alignment check
-	shr.u	elemcnt = len, 3	// elemcnt = len / 8
+	and	tmp4 = 7, src		/* ready for alignment check */
+	shr.u	elemcnt = len, 3	/* elemcnt = len / 8 */
 ;; }
 { .mib
-	cmp.ne	p_scr, p0 = tmp4, r0	// is source also aligned
-	tbit.nz p_xtr, p_nxtr = src, 3	// prepare a separate move if src
-} { .mib				// is not 16B aligned
-	add	ptr2 = LFETCH_DIST, dest	// prefetch address
+	cmp.ne	p_scr, p0 = tmp4, r0	/* is source also aligned */
+	tbit.nz p_xtr, p_nxtr = src, 3	/* prepare a separate move if src */
+} { .mib				/* is not 16B aligned */
+	add	ptr2 = LFETCH_DIST, dest	/* prefetch address */
 	add	ptr1 = LFETCH_DIST, src
 (p_scr) br.cond.dptk.many .src_not_aligned
 ;; }
 
-// The optimal case, when dest, and src are aligned
+/* The optimal case, when dest, and src are aligned */
 
 .both_aligned:
 { .mmi
 	.pred.rel "mutex",p_xtr,p_nxtr
-(p_xtr)	cmp.gt  p_scr, p0 = ALIGN_UNROLL_no+1, elemcnt // Need N + 1 to qualify
-(p_nxtr) cmp.gt p_scr, p0 = ALIGN_UNROLL_no, elemcnt  // Need only N to qualify
-	movi0	pr.rot = 1 << 16	// set rotating predicates
+(p_xtr)	cmp.gt  p_scr, p0 = ALIGN_UNROLL_no+1, elemcnt /* Need N + 1 to qualify */
+(p_nxtr) cmp.gt p_scr, p0 = ALIGN_UNROLL_no, elemcnt  /* Need only N to qualify */
+	movi0	pr.rot = 1 << 16	/* set rotating predicates */
 } { .mib
 (p_scr) br.cond.dpnt.many .copy_full_words
 ;; }
@@ -245,21 +245,21 @@ ENTRY(memcpy)
 { .mmi
 (p_xtr)	load	tempreg = [src], 8
 (p_xtr) add 	elemcnt = -1, elemcnt
-	movi0	ar.ec = MEMLAT + 1	// set the epilog counter
+	movi0	ar.ec = MEMLAT + 1	/* set the epilog counter */
 ;; }
 { .mmi
-(p_xtr) add	len = -8, len		//
-	add 	asrc = 16, src 		// one bank apart (for USE_INT)
-	shr.u	loopcnt = elemcnt, ALIGN_UNROLL_sh  // cater for unrolling
+(p_xtr) add	len = -8, len		/* */
+	add 	asrc = 16, src 		/* one bank apart (for USE_INT) */
+	shr.u	loopcnt = elemcnt, ALIGN_UNROLL_sh  /* cater for unrolling */
 ;;}
 { .mmi
 	add	loopcnt = -1, loopcnt
-(p_xtr)	store	[dest] = tempreg, 8	// copy the "extra" word
+(p_xtr)	store	[dest] = tempreg, 8	/* copy the "extra" word */
 	nop.i	0
 ;; }
 { .mib
 	add	adest = 16, dest
-	movi0	ar.lc = loopcnt 	// set the loop counter
+	movi0	ar.lc = loopcnt 	/* set the loop counter */
 ;; }
 
 #ifdef  GAS_ALIGN_BREAKS_UNWIND_INFO
@@ -268,7 +268,7 @@ ENTRY(memcpy)
 	.align	32
 #endif
 #if defined(USE_FLP)
-.l1: // ------------------------------- // L1: Everything a multiple of 8
+.l1: /* ------------------------------- L1: Everything a multiple of 8 */
 { .mmi
 #if defined(USE_LFETCH)
 (p[0])	lfetch.nt1 [ptr2],32
@@ -290,7 +290,7 @@ ENTRY(memcpy)
 	br.ctop.dptk.many .l1
 ;; }
 #elif defined(USE_INT)
-.l1: // ------------------------------- // L1: Everything a multiple of 8
+.l1: /* ------------------------------- L1: Everything a multiple of 8 */
 { .mmi
 (p[0])	load	the_r[0] = [src], 8
 (p[0])	load	the_q[0] = [asrc], 8
@@ -317,58 +317,58 @@ ENTRY(memcpy)
 
 .copy_full_words:
 { .mib
-	cmp.gt	p_scr, p0 = 8, len	//
-	shr.u	elemcnt = len, 3	//
+	cmp.gt	p_scr, p0 = 8, len	/* */
+	shr.u	elemcnt = len, 3	/* */
 (p_scr) br.cond.dpnt.many .copy_bytes
 ;; }
 { .mii
 	load	tempreg = [src], 8
-	add	loopcnt = -1, elemcnt	//
+	add	loopcnt = -1, elemcnt	/* */
 ;; }
 { .mii
-	cmp.ne	p_scr, p0 = 0, loopcnt	//
-	mov	ar.lc = loopcnt		//
+	cmp.ne	p_scr, p0 = 0, loopcnt	/* */
+	mov	ar.lc = loopcnt		/* */
 ;; }
 
-.l2: // ------------------------------- // L2: Max 4 words copied separately
+.l2: /* ------------------------------- L2: Max 4 words copied separately */
 { .mmi
 	store	[dest] = tempreg, 8
-(p_scr)	load	tempreg = [src], 8	//
+(p_scr)	load	tempreg = [src], 8	/* */
 	add	len = -8, len
 } { .mib
-	cmp.lt	p_scr, p0 = 1, loopcnt	// avoid load beyond end-point
+	cmp.lt	p_scr, p0 = 1, loopcnt	/* avoid load beyond end-point */
 	add	loopcnt = -1, loopcnt
 	br.cloop.dptk.few  .l2
 ;; }
 
 .copy_bytes:
 { .mib
-	cmp.eq	p_scr, p0 = len, r0	// is len == 0 ?
-	add	loopcnt = -1, len	// len--;
+	cmp.eq	p_scr, p0 = len, r0	/* is len == 0 ? */
+	add	loopcnt = -1, len	/* len--; */
 (p_scr)	br.cond.spnt	.restore_and_exit
 ;; }
 { .mii
 	ld1	tmp2 = [src], 1
 	movi0	ar.lc = loopcnt
-	cmp.ne	p_scr, p0 = 0, loopcnt	// avoid load beyond end-point
+	cmp.ne	p_scr, p0 = 0, loopcnt	/* avoid load beyond end-point */
 ;; }
 
-.l3: // ------------------------------- // L3: Final byte move
+.l3: /* ------------------------------- L3: Final byte move */
 { .mmi
 	st1	[dest] = tmp2, 1
 (p_scr)	ld1	tmp2 = [src], 1
 } { .mib
-	cmp.lt	p_scr, p0 = 1, loopcnt	// avoid load beyond end-point
+	cmp.lt	p_scr, p0 = 1, loopcnt	/* avoid load beyond end-point */
 	add	loopcnt = -1, loopcnt
 	br.cloop.dptk.few  .l3
 ;; }
 
 .restore_and_exit:
 { .mmi
-	movi0	pr = saved_pr, -1	// restore the predicate registers
+	movi0	pr = saved_pr, -1	/* restore the predicate registers */
 ;; }
 { .mib
-	movi0	ar.lc = saved_lc	// restore the loop counter
+	movi0	ar.lc = saved_lc	/* restore the loop counter */
 	br.ret.sptk.many b0
 ;; }
 
@@ -376,41 +376,41 @@ ENTRY(memcpy)
 .src_not_aligned:
 { .mmi
 	cmp.gt	p_scr, p0 = 16, len
-	and	sh1 = 7, src 		// sh1 = src % 8
-	shr.u	loopcnt = len, 4	// element-cnt = len / 16
+	and	sh1 = 7, src 		/* sh1 = src % 8 */
+	shr.u	loopcnt = len, 4	/* element-cnt = len / 16 */
 } { .mib
 	add	tmp4 = @ltoff(.table), gp
 	add 	tmp3 = @ltoff(.loop56), gp
-(p_scr)	br.cond.dpnt.many .copy_bytes	// do byte by byte if too few
+(p_scr)	br.cond.dpnt.many .copy_bytes	/* do byte by byte if too few */
 ;; }
 { .mmi
-	and	asrc = -8, src		// asrc = (-8) -- align src for loop
-	add 	loopcnt = -1, loopcnt	// loopcnt--
-	shl	sh1 = sh1, 3		// sh1 = 8 * (src % 8)
+	and	asrc = -8, src		/* asrc = (-8) -- align src for loop */
+	add 	loopcnt = -1, loopcnt	/* loopcnt-- */
+	shl	sh1 = sh1, 3		/* sh1 = 8 * (src % 8) */
 } { .mmi
-	ld8	ptable = [tmp4]		// ptable = &table
-	ld8	ploop56 = [tmp3]	// ploop56 = &loop56
-	and	tmp2 = -16, len		// tmp2 = len & -OPSIZ
+	ld8	ptable = [tmp4]		/* ptable = &table */
+	ld8	ploop56 = [tmp3]	/* ploop56 = &loop56 */
+	and	tmp2 = -16, len		/* tmp2 = len & -OPSIZ */
 ;; }
 { .mmi
-	add	tmp3 = ptable, sh1	// tmp3 = &table + sh1
-	add	src = src, tmp2		// src += len & (-16)
-	movi0	ar.lc = loopcnt		// set LC
+	add	tmp3 = ptable, sh1	/* tmp3 = &table + sh1 */
+	add	src = src, tmp2		/* src += len & (-16) */
+	movi0	ar.lc = loopcnt		/* set LC */
 ;; }
 { .mmi
-	ld8	tmp4 = [tmp3]		// tmp4 = loop offset
-	sub	len = len, tmp2		// len -= len & (-16)
-	movi0	ar.ec = MEMLAT + 2 	// one more pass needed
+	ld8	tmp4 = [tmp3]		/* tmp4 = loop offset */
+	sub	len = len, tmp2		/* len -= len & (-16) */
+	movi0	ar.ec = MEMLAT + 2 	/* one more pass needed */
 ;; }
 { .mmi
-	ld8	s[1] = [asrc], 8	// preload
-	sub	loopaddr = ploop56,tmp4	// loopadd = &loop56 - loop offset
-	movi0   pr.rot = 1 << 16	// set rotating predicates
+	ld8	s[1] = [asrc], 8	/* preload */
+	sub	loopaddr = ploop56,tmp4	/* loopadd = &loop56 - loop offset */
+	movi0   pr.rot = 1 << 16	/* set rotating predicates */
 ;; }
 { .mib
 	nop.m	0
 	movi0	b6 = loopaddr
-	br	b6			// jump to the appropriate loop
+	br	b6			/* jump to the appropriate loop */
 ;; }
 
 	LOOP(8)
@@ -426,7 +426,7 @@ libc_hidden_def (memcpy)
 	.rodata
 	.align 8
 .table:
-	data8	0			// dummy entry
+	data8	0			/* dummy entry */
 	data8 	.loop56 - .loop8
 	data8 	.loop56 - .loop16
 	data8 	.loop56 - .loop24