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riscv-gcc-1
Commit f67ff5de by Richard Kenner
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(scan_loop, strength_reduce): Go back to LOOP_TOP, not its NEXT_INSN 

(in case SCAN_START == LOOP_TOP).

From-SVN: r6615
parent 70659ac0
Showing with 5 additions and 5 deletions
gcc/loop.c
/* Move constant computations out of loops.
Copyright (C) 1987, 88, 89, 91, 92, 1993 Free Software Foundation, Inc.
Copyright (C) 1987, 88, 89, 91, 92, 93, 1994 Free Software Foundation, Inc.
This file is part of GNU CC.
......@@ -624,7 +624,7 @@ scan_loop (loop_start, end, nregs)
if (p == end)
{
if (loop_top != 0)
p = NEXT_INSN (loop_top);
p = loop_top;
else
break;
if (p == scan_start)
......@@ -3198,7 +3198,7 @@ strength_reduce (scan_start, end, loop_top, insn_count,
if (p == end)
{
if (loop_top != 0)
p = NEXT_INSN (loop_top);
p = loop_top;
else
break;
if (p == scan_start)
......@@ -3251,7 +3251,7 @@ strength_reduce (scan_start, end, loop_top, insn_count,
if (insn == end)
{
if (loop_top != 0)
insn = NEXT_INSN (loop_top);
insn = loop_top;
else
break;
if (insn == scan_start)
......@@ -3455,7 +3455,7 @@ strength_reduce (scan_start, end, loop_top, insn_count,
if (p == end)
{
if (loop_top != 0)
p = NEXT_INSN (loop_top);
p = loop_top;
else
break;
if (p == scan_start)
......
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