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* i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.

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From-SVN: r36949
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Jan Hubicka 2000-10-19 14:27:28 +02:00 committed by Jan Hubicka
parent 02ae6e2e4b
commit 1aa9fd2411
2 changed files with 7 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,7 @@
Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
* i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
* expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
@ -120,7 +124,7 @@
* emit-rtl.c (init_emit_once): Initialize the const_int_htab
earlier.
2000-10-18 Jan Hubikca <jh@suse.cz>
2000-10-18 Jan Hubicka <jh@suse.cz>
* i386.c (ix86_comparison_operator, put_condition_code,
ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.

2
gcc/config/i386/i386.h
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@ -1045,6 +1045,7 @@ enum reg_class
K is for signed imm8 operands.
L is for andsi as zero-extending move.
M is for shifts that can be executed by the "lea" opcode.
N is for immedaite operands for out/in instructions (0-255)
*/
#define CONST_OK_FOR_LETTER_P(VALUE, C) \
@ -1053,6 +1054,7 @@ enum reg_class
: (C) == 'K' ? (VALUE) >= -128 && (VALUE) <= 127 \
: (C) == 'L' ? (VALUE) == 0xff || (VALUE) == 0xffff \
: (C) == 'M' ? (VALUE) >= 0 && (VALUE) <= 3 \
: (C) == 'N' ? (VALUE) >= 0 && (VALUE) <= 255 \
: 0)
/* Similar, but for floating constants, and defining letters G and H.