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| author | Georg-Johann Lay <avr@gjlay.de> | 2013-02-12 14:55:16 +0000 |
|---|---|---|
| committer | Georg-Johann Lay <gjl@gcc.gnu.org> | 2013-02-12 14:55:16 +0000 |
| commit | e68a4ef6eaebf615da649555260e9c12e5ffb9bc (patch) | |
| tree | e055712e464d68ce4f4fcf5947a000fa7cba7a84 /gcc | |
| parent | 2597da229a2261de8576099213ffdef4bf946a7c (diff) | |
| download | gcc-e68a4ef6eaebf615da649555260e9c12e5ffb9bc.zip gcc-e68a4ef6eaebf615da649555260e9c12e5ffb9bc.tar.gz gcc-e68a4ef6eaebf615da649555260e9c12e5ffb9bc.tar.bz2 | |
re PR target/54222 ([avr] Implement fixed-point support)
gcc/
PR target/54222
* config/avr/avr-dimode.md (umulsidi3, mulsidi3): New expanders.
(umulsidi3_insn, mulsidi3_insn): New insns.
libgcc/
PR target/54222
* config/avr/t-avr (LIB2FUNCS_EXCLUDE): Add: _usmulUHA, _usmulUSA,
_ssmulHA, _ssmulSA.
(LIB1ASMFUNCS): Add: _muldi3_6, _mulsidi3, _umulsidi3, _usmuluha3,
_ssmulha3, _usmulusa3, _ssmulsa3.
* config/avr/lib1funcs.S (__muldi3_6): Break out of __muldi3.
(__muldi3): XCALL __muldi3_6 instead of rcall.
(__umulsidi3, __mulsidi3): New functions.
(do_prologue_saves, do_epilogue_restores): New .macros.
(__divdi3_moddi3): Use them.
* config/avr/lib1funcs-fixed.S (__usmuluha3, __ssmulha3)
(__usmulusa3, __ssmulsa3): New functions.
From-SVN: r195978
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/avr/avr-dimode.md | 31 |
2 files changed, 37 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0be8139..e354b93 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-02-12 Georg-Johann Lay <avr@gjlay.de> + + PR target/54222 + * config/avr/avr-dimode.md (umulsidi3, mulsidi3): New expanders. + (umulsidi3_insn, mulsidi3_insn): New insns. + 2013-02-12 Christophe Lyon <christophe.lyon@linaro.org> * config/arm/arm-protos.h (struct cpu_vec_costs): New struct type. diff --git a/gcc/config/avr/avr-dimode.md b/gcc/config/avr/avr-dimode.md index 71793fd..c96ba6e 100644 --- a/gcc/config/avr/avr-dimode.md +++ b/gcc/config/avr/avr-dimode.md @@ -446,3 +446,34 @@ "%~call __<code_stdname>di3" [(set_attr "adjust_len" "call") (set_attr "cc" "clobber")]) + +;; "umulsidi3" +;; "mulsidi3" +(define_expand "<extend_u>mulsidi3" + [(parallel [(match_operand:DI 0 "register_operand" "") + (match_operand:SI 1 "general_operand" "") + (match_operand:SI 2 "general_operand" "") + ;; Just to mention the iterator + (clobber (any_extend:SI (match_dup 1)))])] + "avr_have_dimode" + { + emit_move_insn (gen_rtx_REG (SImode, 22), operands[1]); + emit_move_insn (gen_rtx_REG (SImode, 18), operands[2]); + emit_insn (gen_<extend_u>mulsidi3_insn()); + // Use emit_move_insn and not open-coded expand because of missing movdi + emit_move_insn (operands[0], gen_rtx_REG (DImode, ACC_A)); + DONE; + }) + +;; "umulsidi3_insn" +;; "mulsidi3_insn" +(define_insn "<extend_u>mulsidi3_insn" + [(set (reg:DI ACC_A) + (mult:DI (any_extend:DI (reg:SI 18)) + (any_extend:DI (reg:SI 22)))) + (clobber (reg:HI REG_X)) + (clobber (reg:HI REG_Z))] + "avr_have_dimode" + "%~call __<extend_u>mulsidi3" + [(set_attr "adjust_len" "call") + (set_attr "cc" "clobber")]) |