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reload1.c (reload_reg_free_for_value_p): When considered reload has an output...

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* reload1.c (reload_reg_free_for_value_p): When considered reload
	has an output, matching inputs are not sufficient to avoid conflict.

From-SVN: r23687
This commit is contained in:
J"orn Rennecke 1998-11-17 14:26:40 +00:00 committed by Joern Rennecke
parent 7ddedda4aa
commit 25963977c6
2 changed files with 10 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
* reload1.c (reload_reg_free_for_value_p): When considered reload
has an output, matching inputs are not sufficient to avoid conflict.
Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
* hash.h (hash_table_key): New type.

8
gcc/reload1.c
View File

@ -5152,7 +5152,7 @@ reload_reg_free_for_value_p (regno, opnum, type, value, out, reloadnum,
&& i != reloadnum)
{
if (! reload_in[i] || ! rtx_equal_p (reload_in[i], value)
|| reload_out[i])
|| reload_out[i] || out)
{
int time2;
switch (reload_when_needed[i])
@ -5246,8 +5246,10 @@ reload_reg_free_for_value_p (regno, opnum, type, value, out, reloadnum,
default:
return 0;
}
if (time1 >= time2
|| (out && time2 >= MAX_RECOG_OPERANDS * 4 + 4))
if ((time1 >= time2
&& (! reload_in[i] || reload_out[i]
|| ! rtx_equal_p (reload_in[i], value)))
|| (out && time2 >= MAX_RECOG_OPERANDS * 4 + 3))
return 0;
}
}