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s390.c (s390_expand_movstr, [...]): Do not use expand_start_loop and expand_end_loop, instead build the loop manually.

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* config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
	s390_expand_cmpmem): Do not use expand_start_loop and
	expand_end_loop, instead build the loop manually.

From-SVN: r81990
This commit is contained in:
Steven Bosscher 2004-05-18 14:43:58 +00:00 committed by Steven Bosscher
parent e332b68d76
commit 70315fcdde
2 changed files with 21 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-05-18 Steven Bosscher <stevenb@suse.de>
* config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
s390_expand_cmpmem): Do not use expand_start_loop and
expand_end_loop, instead build the loop manually.
2004-05-18 Alan Modra <amodra@bigpond.net.au>
* config/rs6000/rs6000.md (ctrsi_internal3): Delete.

21
gcc/config/s390/s390.c
View File

@ -2956,6 +2956,7 @@ s390_expand_movstr (rtx dst, rtx src, rtx len)
else
{
rtx dst_addr, src_addr, count, blocks, temp;
rtx loop_start_label = gen_label_rtx ();
rtx loop_end_label = gen_label_rtx ();
rtx end_label = gen_label_rtx ();
enum machine_mode mode;
@ -2988,7 +2989,8 @@ s390_expand_movstr (rtx dst, rtx src, rtx len)
emit_cmp_and_jump_insns (blocks, const0_rtx,
EQ, NULL_RTX, mode, 1, loop_end_label);
expand_start_loop (1);
emit_label (loop_start_label);
emit_insn (gen_movstr_short (dst, src, GEN_INT (255)));
s390_load_address (dst_addr,
@ -3002,7 +3004,8 @@ s390_expand_movstr (rtx dst, rtx src, rtx len)
emit_cmp_and_jump_insns (blocks, const0_rtx,
EQ, NULL_RTX, mode, 1, loop_end_label);
expand_end_loop ();
emit_jump (loop_start_label);
emit_label (loop_end_label);
emit_insn (gen_movstr_short (dst, src,
@ -3030,6 +3033,7 @@ s390_expand_clrstr (rtx dst, rtx len)
else
{
rtx dst_addr, src_addr, count, blocks, temp;
rtx loop_start_label = gen_label_rtx ();
rtx loop_end_label = gen_label_rtx ();
rtx end_label = gen_label_rtx ();
enum machine_mode mode;
@ -3060,7 +3064,8 @@ s390_expand_clrstr (rtx dst, rtx len)
emit_cmp_and_jump_insns (blocks, const0_rtx,
EQ, NULL_RTX, mode, 1, loop_end_label);
expand_start_loop (1);
emit_label (loop_start_label);
emit_insn (gen_clrstr_short (dst, GEN_INT (255)));
s390_load_address (dst_addr,
@ -3072,7 +3077,8 @@ s390_expand_clrstr (rtx dst, rtx len)
emit_cmp_and_jump_insns (blocks, const0_rtx,
EQ, NULL_RTX, mode, 1, loop_end_label);
expand_end_loop ();
emit_jump (loop_start_label);
emit_label (loop_end_label);
emit_insn (gen_clrstr_short (dst, convert_to_mode (Pmode, count, 1)));
@ -3116,6 +3122,7 @@ s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
else
{
rtx addr0, addr1, count, blocks, temp;
rtx loop_start_label = gen_label_rtx ();
rtx loop_end_label = gen_label_rtx ();
rtx end_label = gen_label_rtx ();
enum machine_mode mode;
@ -3148,7 +3155,8 @@ s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
emit_cmp_and_jump_insns (blocks, const0_rtx,
EQ, NULL_RTX, mode, 1, loop_end_label);
expand_start_loop (1);
emit_label (loop_start_label);
emit_insn (gen_cmpmem_short (op0, op1, GEN_INT (255)));
temp = gen_rtx_NE (VOIDmode, gen_rtx_REG (CCSmode, 33), const0_rtx);
@ -3168,7 +3176,8 @@ s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
emit_cmp_and_jump_insns (blocks, const0_rtx,
EQ, NULL_RTX, mode, 1, loop_end_label);
expand_end_loop ();
emit_jump (loop_start_label);
emit_label (loop_end_label);
emit_insn (gen_cmpmem_short (op0, op1,