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h8300.c (get_shift_alg): Reorganize the code that deals with 7-bit shifts in HImode.

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* config/h8300/h8300.c (get_shift_alg): Reorganize the code
	that deals with 7-bit shifts in HImode.

From-SVN: r47014
This commit is contained in:
Kazu Hirata 2001-11-14 14:28:06 +00:00 committed by Kazu Hirata
parent 49d801d3db
commit a77b1dbce6
2 changed files with 17 additions and 23 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-11-14 Kazu Hirata <kazu@hxi.com>
* config/h8300/h8300.c (get_shift_alg): Reorganize the code
that deals with 7-bit shifts in HImode.
Wed Nov 14 14:17:05 CET 2001 Jan Hubicka <jh@suse.cz>
* dbxout.c (dbxout_symbol_location): Update call of alter_subreg.

35
gcc/config/h8300/h8300.c
View File

@ -2420,32 +2420,21 @@ get_shift_alg (shift_type, shift_mode, count, info)
case HIshift:
if (count == 7)
{
if (shift_type == SHIFT_ASHIFT && TARGET_H8300)
switch (shift_type)
{
info->special = "shar.b\t%t0\n\tmov.b\t%s0,%t0\n\trotxr.b\t%t0\n\trotr.b\t%s0\n\tand.b\t#0x80,%s0";
case SHIFT_ASHIFT:
if (TARGET_H8300)
info->special = "shar.b\t%t0\n\tmov.b\t%s0,%t0\n\trotxr.b\t%t0\n\trotr.b\t%s0\n\tand.b\t#0x80,%s0";
else
info->special = "shar.b\t%t0\n\tmov.b\t%s0,%t0\n\trotxr.w\t%T0\n\tand.b\t#0x80,%s0";
goto end;
}
if (shift_type == SHIFT_ASHIFT && TARGET_H8300H)
{
info->special = "shar.b\t%t0\n\tmov.b\t%s0,%t0\n\trotxr.w\t%T0\n\tand.b\t#0x80,%s0";
case SHIFT_LSHIFTRT:
if (TARGET_H8300)
info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.b\t%s0\n\trotl.b\t%t0\n\tand.b\t#0x01,%t0";
else
info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.w\t%T0\n\tand.b\t#0x01,%t0";
goto end;
}
if (shift_type == SHIFT_LSHIFTRT && TARGET_H8300)
{
info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.b\t%s0\n\trotl.b\t%t0\n\tand.b\t#0x01,%t0";
goto end;
}
if (shift_type == SHIFT_LSHIFTRT && TARGET_H8300H)
{
info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.w\t%T0\n\tand.b\t#0x01,%t0";
goto end;
}
if (shift_type == SHIFT_ASHIFTRT)
{
case SHIFT_ASHIFTRT:
info->special = "shal.b\t%s0\n\tmov.b\t%t0,%s0\n\trotxl.b\t%s0\n\tsubx\t%t0,%t0";
goto end;
}