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sparc.md (DImode, [...]): Delete self_reference code. 

* sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
	code.  Use reg_overlap_mentioned_p to detect when source and
	destination overlap.
	(negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.

From-SVN: r22057
This commit is contained in:
Jim Wilson 1998-08-28 14:57:55 +00:00 committed by David S. Miller
parent ea6021e832
commit 0642498960
2 changed files with 13 additions and 16 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
* sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
code. Use reg_overlap_mentioned_p to detect when source and
destination overlap.
(negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
1998-08-28 Brendan Kehoe <brendan@cygnus.com>
* loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not

22
gcc/config/sparc/sparc.md
View File

@ -2691,12 +2691,8 @@
plus_constant_for_output (XEXP (word0, 0), 4));
rtx high_part = gen_highpart (SImode, operands[0]);
rtx low_part = gen_lowpart (SImode, operands[0]);
int self_reference;
self_reference = reg_overlap_mentioned_p (operands[0],
XEXP (XEXP (word1, 0), 0));
if (self_reference != 0
&& WORDS_BIG_ENDIAN)
if (reg_overlap_mentioned_p (high_part, word1))
{
emit_insn (gen_movsi (low_part, word1));
emit_insn (gen_movsi (high_part, word0));
@ -3206,15 +3202,11 @@
rtx word0 = change_address (operands[1], SFmode, NULL_RTX);
rtx word1 = change_address (operands[1], SFmode,
plus_constant_for_output (XEXP (word0, 0), 4));
int self_reference;
self_reference = reg_overlap_mentioned_p (operands[0],
XEXP (XEXP (word1, 0), 0));
if (GET_CODE (operands[0]) == SUBREG)
operands[0] = alter_subreg (operands[0]);
if (self_reference != 0
&& WORDS_BIG_ENDIAN)
if (reg_overlap_mentioned_p (gen_highpart (SFmode, operands[0]), word1))
{
emit_insn (gen_movsf (gen_lowpart (SFmode, operands[0]),
word1));
@ -3439,8 +3431,6 @@
rtx word1 = change_address (operands[1], DFmode,
plus_constant_for_output (XEXP (word0, 0), 8));
rtx dest1, dest2;
int self_reference = reg_overlap_mentioned_p (operands[0],
XEXP (XEXP (word1, 0), 0));
/* Ugly, but gen_highpart will crap out here for 32-bit targets. */
dest1 = gen_rtx_SUBREG (DFmode, operands[0], WORDS_BIG_ENDIAN == 0);
@ -3448,8 +3438,8 @@
/* Now output, ordering such that we don't clobber any registers
mentioned in the address. */
if (self_reference != 0
&& WORDS_BIG_ENDIAN)
if (reg_overlap_mentioned_p (dest1, word1))
{
emit_insn (gen_movdf (dest2, word1));
emit_insn (gen_movdf (dest1, word0));
@ -6626,8 +6616,8 @@
operands[3] = gen_rtx_raw_REG (SFmode, REGNO (operands[1]));
operands[4] = gen_rtx_raw_REG (SFmode, REGNO (operands[0]) + 1);
operands[5] = gen_rtx_raw_REG (SFmode, REGNO (operands[1]) + 1);
operands[6] = gen_rtx_raw_REG (SFmode, REGNO (operands[0]) + 2);
operands[7] = gen_rtx_raw_REG (SFmode, REGNO (operands[1]) + 2);")
operands[6] = gen_rtx_raw_REG (DFmode, REGNO (operands[0]) + 2);
operands[7] = gen_rtx_raw_REG (DFmode, REGNO (operands[1]) + 2);")
(define_insn "*negtf2_v9"
[(set (match_operand:TF 0 "register_operand" "=e,e")