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| author | Jim Wilson <wilson@gcc.gnu.org> | 1995-01-25 16:40:49 -0800 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1995-01-25 16:40:49 -0800 |
| commit | b52cd365d466139aec3b96b96ddddafcf139a1fb (patch) | |
| tree | 1148dd667471f43eb96696561ab09878634bc7f9 | |
| parent | 22e1ebf1d7572cef04eea271121cb78f7e0eded5 (diff) | |
| download | gcc-b52cd365d466139aec3b96b96ddddafcf139a1fb.zip gcc-b52cd365d466139aec3b96b96ddddafcf139a1fb.tar.gz gcc-b52cd365d466139aec3b96b96ddddafcf139a1fb.tar.bz2 | |
(CONST_OK_FOR_LETTER_P): Add case for 'N'. Correct comment.
(ADJUST_INSN_LENGTH, SHORTEN_WITH_AJUST_INSN_LENGTH): New macros.
From-SVN: r8825
| -rw-r--r-- | gcc/config/sh/sh.h | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h index de39ef8..f8d6d0e 100644 --- a/gcc/config/sh/sh.h +++ b/gcc/config/sh/sh.h @@ -605,23 +605,23 @@ extern enum reg_class reg_class_from_letter[]; C is the letter, and VALUE is a constant value. Return 1 if VALUE is in the range specified by C. I: arithmetic operand -127..128, as used in add, sub, etc + K: shift operand 1,2,8 or 16 L: logical operand 0..255, as used in and, or, etc. - J: something ok as a move source - so it must be easy to make M: constant 1 - N: constant 0 - K: shift operand 1,2,8 or 16 */ + N: constant 0 */ #define CONST_OK_FOR_I(VALUE) (((int)(VALUE))>= -128 && ((int)(VALUE)) <= 127) +#define CONST_OK_FOR_K(VALUE) ((VALUE)==1||(VALUE)==2||(VALUE)==8||(VALUE)==16) #define CONST_OK_FOR_L(VALUE) (((int)(VALUE))>= 0 && ((int)(VALUE)) <= 255) #define CONST_OK_FOR_M(VALUE) ((VALUE)==1) #define CONST_OK_FOR_N(VALUE) ((VALUE)==0) -#define CONST_OK_FOR_K(VALUE) ((VALUE)==1||(VALUE)==2||(VALUE)==8||(VALUE)==16) #define CONST_OK_FOR_LETTER_P(VALUE, C) \ ((C) == 'I' ? CONST_OK_FOR_I (VALUE) \ : (C) == 'K' ? CONST_OK_FOR_K (VALUE) \ : (C) == 'L' ? CONST_OK_FOR_L (VALUE) \ : (C) == 'M' ? CONST_OK_FOR_M (VALUE) \ + : (C) == 'N' ? CONST_OK_FOR_N (VALUE) \ : 0) /* Similar, but for floating constants, and defining letters G and H. @@ -1494,6 +1494,8 @@ extern struct rtx_def *prepare_scc_operands(); extern struct rtx_def *table_lab; +/* ??? Wrong, this is an incomplete enum type. Fix this to do it the same + way that the mips compiler does this. */ extern enum attr_cpu sh_cpu; /* target cpu */ /* Declare functions defined in sh.c and used in templates. */ @@ -1523,3 +1525,21 @@ extern char *max_si; extern char *max_hi; extern int max_count_si; extern int max_count_hi; + +/* Instructions with unfilled delay slots take up an extra two bytes for + the nop in the delay slot. */ + +#define ADJUST_INSN_LENGTH(X, LENGTH) \ + if (((GET_CODE (X) == INSN \ + && GET_CODE (PATTERN (X)) != SEQUENCE \ + && GET_CODE (PATTERN (X)) != USE \ + && GET_CODE (PATTERN (X)) != CLOBBER) \ + || GET_CODE (X) == CALL_INSN \ + || (GET_CODE (X) == JUMP_INSN \ + && GET_CODE (PATTERN (X)) != ADDR_DIFF_VEC \ + && GET_CODE (PATTERN (X)) != ADDR_VEC)) \ + && get_attr_needs_delay_slot (X) == NEEDS_DELAY_SLOT_YES) \ + LENGTH += 2; + +/* Enable a bug fix for the shorten_branches pass. */ +#define SHORTEN_WITH_ADJUST_INSN_LENGTH |