diff options
| author | Jan Hubicka <hubicka@gcc.gnu.org> | 2002-11-19 22:52:40 +0000 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2002-11-19 22:52:40 +0000 |
| commit | efcc70370b9319ec419e220cece0e8c82642c298 (patch) | |
| tree | 3b90df3d843a74e136e75315026cbfe3646fa6df /gcc | |
| parent | da98b11a83c2d996b984bdb19d50d24b853ae120 (diff) | |
| download | gcc-efcc70370b9319ec419e220cece0e8c82642c298.zip gcc-efcc70370b9319ec419e220cece0e8c82642c298.tar.gz gcc-efcc70370b9319ec419e220cece0e8c82642c298.tar.bz2 | |
i386.md (length_immediate): Do not refer to insn address.
* i386.md (length_immediate): Do not refer to insn address.
(jcc*, jmp patterns): Compute length explicitly.
From-SVN: r59279
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 39 |
2 files changed, 25 insertions, 21 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 91f8dc9..3fa0f79 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,9 @@ -2002-11-19 Eric Botcazou <ebotcazou@libertysurf.fr> +Tue Nov 19 23:50:56 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (length_immediate): Do not refer to insn address. + (jcc*, jmp patterns): Compute length explicitly. + +2002-11-19 Eric Botcazou <ebotcazou@libertysurf.fr> PR c/8588 * optabs.c (expand_binop): Convert CONST_INTs in shift diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index f50a524..befbfe4 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -187,13 +187,10 @@ (if_then_else (match_operand 1 "constant_call_address_operand" "") (const_int 4) (const_int 0)) + ;; We don't know the size before shorten_branches. Expect + ;; the instruction to fit for better scheduling. (eq_attr "type" "ibr") - (if_then_else (and (ge (minus (match_dup 0) (pc)) - (const_int -128)) - (lt (minus (match_dup 0) (pc)) - (const_int 124))) - (const_int 1) - (const_int 4)) + (const_int 1) ] (symbol_ref "/* Update immediate_length and other attributes! */ abort(),1"))) @@ -12840,13 +12837,13 @@ "%+j%C1\t%l0" [(set_attr "type" "ibr") (set_attr "modrm" "0") - (set (attr "prefix_0f") + (set (attr "length") (if_then_else (and (ge (minus (match_dup 0) (pc)) (const_int -128)) (lt (minus (match_dup 0) (pc)) (const_int 124))) - (const_int 0) - (const_int 1)))]) + (const_int 2) + (const_int 6)))]) (define_insn "*jcc_2" [(set (pc) @@ -12858,13 +12855,13 @@ "%+j%c1\t%l0" [(set_attr "type" "ibr") (set_attr "modrm" "0") - (set (attr "prefix_0f") + (set (attr "length") (if_then_else (and (ge (minus (match_dup 0) (pc)) (const_int -128)) (lt (minus (match_dup 0) (pc)) (const_int 124))) - (const_int 0) - (const_int 1)))]) + (const_int 2) + (const_int 6)))]) ;; In general it is not safe to assume too much about CCmode registers, ;; so simplify-rtx stops when it sees a second one. Under certain @@ -13125,6 +13122,13 @@ "" "jmp\t%l0" [(set_attr "type" "ibr") + (set (attr "length") + (if_then_else (and (ge (minus (match_dup 0) (pc)) + (const_int -128)) + (lt (minus (match_dup 0) (pc)) + (const_int 124))) + (const_int 2) + (const_int 5))) (set_attr "modrm" "0")]) (define_expand "indirect_jump" @@ -13251,14 +13255,9 @@ (const_int 124)))) (const_int 2) (const_int 16))) - (set (attr "type") - (if_then_else (and (eq_attr "alternative" "0") - (and (ge (minus (match_dup 0) (pc)) - (const_int -128)) - (lt (minus (match_dup 0) (pc)) - (const_int 124)))) - (const_string "ibr") - (const_string "multi")))]) + ;; We don't know the type before shorten branches. Optimistically expect + ;; the loop instruction to match. + (set (attr "type") (const_string "ibr"))]) (define_split [(set (pc) |