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| author | Kazu Hirata <kazu@cs.umass.edu> | 2003-01-05 23:04:48 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2003-01-05 23:04:48 +0000 |
| commit | dff0ea43a846f225f032d4dfde7648f08ca93ea7 (patch) | |
| tree | 8c6fb34557a598a2ae0e8555f899b1e3ca16f2cb | |
| parent | 94e6fd3e2b8326c8634b63741a16f6113c404873 (diff) | |
| download | gcc-dff0ea43a846f225f032d4dfde7648f08ca93ea7.zip gcc-dff0ea43a846f225f032d4dfde7648f08ca93ea7.tar.gz gcc-dff0ea43a846f225f032d4dfde7648f08ca93ea7.tar.bz2 | |
* config/h8300/h8300.md (*extzv_8_23): New.
From-SVN: r60920
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.md | 22 |
2 files changed, 26 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f21a17f..c3c015b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2003-01-05 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300.md (*extzv_8_23): New. + 2003-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca> * pa64-hpux.h (JCR_SECTION_NAME): Define. diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index defe9d4..be6bc0f 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -2534,6 +2534,8 @@ ;; COMBINE PATTERNS ;; ----------------------------------------------------------------- +;; extzv:SI + (define_insn "*extzv_8_8" [(set (match_operand:SI 0 "register_operand" "=r") (zero_extract:SI (match_operand:SI 1 "register_operand" "r") @@ -2554,6 +2556,26 @@ [(set_attr "cc" "set_znv") (set_attr "length" "6")]) +;; Extract the exponent of a float. + +(define_insn_and_split "*extzv_8_23" + [(set (match_operand:SI 0 "register_operand" "=r") + (zero_extract:SI (match_operand:SI 1 "register_operand" "0") + (const_int 8) + (const_int 23)))] + "(TARGET_H8300H || TARGET_H8300S)" + "#" + "&& reload_completed" + [(parallel [(set (match_dup 0) + (ashift:SI (match_dup 0) + (const_int 1))) + (clobber (scratch:QI))]) + (parallel [(set (match_dup 0) + (lshiftrt:SI (match_dup 0) + (const_int 24))) + (clobber (scratch:QI))])] + "") + ;; plus:SI (define_insn "*addsi3_lshiftrt_16_zexthi" |