cmd/internal/obj: rename some local variables not c

I plan to use c as a consistent local variable
in this packages. Rename most variables named c,
excepting only some simple functions in asm9.go.

Changes prepared with gorename.

Passes toolstash-check -all.

Updates #15756

Change-Id: If79baac43fca68fad1076e1ff23ae87c2ba638e4
Reviewed-on: https://go-review.googlesource.com/40172
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

2 files changed, 47 insertions, 47 deletions

diff --git a/src/cmd/internal/obj/mips/asm0.go b/src/cmd/internal/obj/mips/asm0.go
index 8c4be669b7..03367ec48b 100644
--- a/src/cmd/internal/obj/mips/asm0.go
+++ b/src/cmd/internal/obj/mips/asm0.go
@@ -385,13 +385,13 @@ func span0(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
 		ctxt.Diag("mips ops not initialized, call mips.buildop first")
 	}
 
-	c := int64(0)
-	p.Pc = c
+	pc := int64(0)
+	p.Pc = pc
 
 	var m int
 	var o *Optab
 	for p = p.Link; p != nil; p = p.Link {
-		p.Pc = c
+		p.Pc = pc
 		o = oplook(ctxt, p)
 		m = int(o.size)
 		if m == 0 {
@@ -401,10 +401,10 @@ func span0(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
 			continue
 		}
 
-		c += int64(m)
+		pc += int64(m)
 	}
 
-	cursym.Size = c
+	cursym.Size = pc
 
 	/*
 	 * if any procedure is large enough to
@@ -418,14 +418,14 @@ func span0(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
 	var q *obj.Prog
 	for bflag != 0 {
 		bflag = 0
-		c = 0
+		pc = 0
 		for p = cursym.Text.Link; p != nil; p = p.Link {
-			p.Pc = c
+			p.Pc = pc
 			o = oplook(ctxt, p)
 
 			// very large conditional branches
 			if o.type_ == 6 && p.Pcond != nil {
-				otxt = p.Pcond.Pc - c
+				otxt = p.Pcond.Pc - pc
 				if otxt < -(1<<17)+10 || otxt >= (1<<17)-10 {
 					q = newprog()
 					q.Link = p.Link
@@ -457,15 +457,15 @@ func span0(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
 				continue
 			}
 
-			c += int64(m)
+			pc += int64(m)
 		}
 
-		cursym.Size = c
+		cursym.Size = pc
 	}
 	if ctxt.Arch.Family == sys.MIPS64 {
-		c += -c & (mips64FuncAlign - 1)
+		pc += -pc & (mips64FuncAlign - 1)
 	}
-	cursym.Size = c
+	cursym.Size = pc
 
 	/*
 	 * lay out the code, emitting code and data relocations.
diff --git a/src/cmd/internal/obj/mips/obj0.go b/src/cmd/internal/obj/mips/obj0.go
index 5ed5a7cf06..872271eae9 100644
--- a/src/cmd/internal/obj/mips/obj0.go
+++ b/src/cmd/internal/obj/mips/obj0.go
@@ -938,11 +938,11 @@ func markregused(ctxt *obj.Link, s *Sch) {
 		ad = 1
 
 	case AJAL:
-		c := p.Reg
-		if c == 0 {
-			c = REGLINK
+		r := p.Reg
+		if r == 0 {
+			r = REGLINK
 		}
-		s.set.ireg |= 1 << uint(c-REG_R0)
+		s.set.ireg |= 1 << uint(r-REG_R0)
 		ar = 1
 		ad = 1
 
@@ -1061,15 +1061,15 @@ func markregused(ctxt *obj.Link, s *Sch) {
 	/*
 	 * flags based on 'to' field
 	 */
-	c := int(p.To.Class)
-	if c == 0 {
-		c = aclass(ctxt, &p.To) + 1
-		p.To.Class = int8(c)
+	cls := int(p.To.Class)
+	if cls == 0 {
+		cls = aclass(ctxt, &p.To) + 1
+		p.To.Class = int8(cls)
 	}
-	c--
-	switch c {
+	cls--
+	switch cls {
 	default:
-		fmt.Printf("unknown class %d %v\n", c, p)
+		fmt.Printf("unknown class %d %v\n", cls, p)
 
 	case C_ZCON,
 		C_SCON,
@@ -1099,8 +1099,8 @@ func markregused(ctxt *obj.Link, s *Sch) {
 	case C_ZOREG,
 		C_SOREG,
 		C_LOREG:
-		c = int(p.To.Reg)
-		s.used.ireg |= 1 << uint(c-REG_R0)
+		cls = int(p.To.Reg)
+		s.used.ireg |= 1 << uint(cls-REG_R0)
 		if ad != 0 {
 			break
 		}
@@ -1108,10 +1108,10 @@ func markregused(ctxt *obj.Link, s *Sch) {
 		s.soffset = regoff(ctxt, &p.To)
 
 		m := uint32(ANYMEM)
-		if c == REGSB {
+		if cls == REGSB {
 			m = E_MEMSB
 		}
-		if c == REGSP {
+		if cls == REGSP {
 			m = E_MEMSP
 		}
 
@@ -1180,15 +1180,15 @@ func markregused(ctxt *obj.Link, s *Sch) {
 	/*
 	 * flags based on 'from' field
 	 */
-	c = int(p.From.Class)
-	if c == 0 {
-		c = aclass(ctxt, &p.From) + 1
-		p.From.Class = int8(c)
+	cls = int(p.From.Class)
+	if cls == 0 {
+		cls = aclass(ctxt, &p.From) + 1
+		p.From.Class = int8(cls)
 	}
-	c--
-	switch c {
+	cls--
+	switch cls {
 	default:
-		fmt.Printf("unknown class %d %v\n", c, p)
+		fmt.Printf("unknown class %d %v\n", cls, p)
 
 	case C_ZCON,
 		C_SCON,
@@ -1218,8 +1218,8 @@ func markregused(ctxt *obj.Link, s *Sch) {
 	case C_ZOREG,
 		C_SOREG,
 		C_LOREG:
-		c = int(p.From.Reg)
-		s.used.ireg |= 1 << uint(c-REG_R0)
+		cls = int(p.From.Reg)
+		s.used.ireg |= 1 << uint(cls-REG_R0)
 		if ld != 0 {
 			p.Mark |= LOAD
 		}
@@ -1227,10 +1227,10 @@ func markregused(ctxt *obj.Link, s *Sch) {
 		s.soffset = regoff(ctxt, &p.From)
 
 		m := uint32(ANYMEM)
-		if c == REGSB {
+		if cls == REGSB {
 			m = E_MEMSB
 		}
-		if c == REGSP {
+		if cls == REGSP {
 			m = E_MEMSP
 		}
 
@@ -1238,11 +1238,11 @@ func markregused(ctxt *obj.Link, s *Sch) {
 
 	case C_SACON,
 		C_LACON:
-		c = int(p.From.Reg)
-		if c == 0 {
-			c = REGSP
+		cls = int(p.From.Reg)
+		if cls == 0 {
+			cls = REGSP
 		}
-		s.used.ireg |= 1 << uint(c-REG_R0)
+		s.used.ireg |= 1 << uint(cls-REG_R0)
 
 	case C_SECON,
 		C_LECON:
@@ -1286,12 +1286,12 @@ func markregused(ctxt *obj.Link, s *Sch) {
 		s.used.cc |= E_MEMSB
 	}
 
-	c = int(p.Reg)
-	if c != 0 {
-		if REG_F0 <= c && c <= REG_F31 {
-			s.used.freg |= 1 << uint(c-REG_F0)
+	cls = int(p.Reg)
+	if cls != 0 {
+		if REG_F0 <= cls && cls <= REG_F31 {
+			s.used.freg |= 1 << uint(cls-REG_F0)
 		} else {
-			s.used.ireg |= 1 << uint(c-REG_R0)
+			s.used.ireg |= 1 << uint(cls-REG_R0)
 		}
 	}
 	s.set.ireg &^= (1 << (REGZERO - REG_R0)) /* R0 can't be set */