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| author | Bernd Schmidt <bernd.schmidt@analog.com> | 2007-02-27 16:29:10 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2007-02-27 16:29:10 +0000 |
| commit | 01e7cd6e292e62d5b21500deb06cc11843ec4be0 (patch) | |
| tree | d7942867a7a528c2779000682e2dc22e64edd183 /gcc/config | |
| parent | f6fc5c864bf5b85e668042d2e7bdd3f9a496fde5 (diff) | |
| download | gcc-01e7cd6e292e62d5b21500deb06cc11843ec4be0.zip gcc-01e7cd6e292e62d5b21500deb06cc11843ec4be0.tar.gz gcc-01e7cd6e292e62d5b21500deb06cc11843ec4be0.tar.bz2 | |
t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and _smulsi3_highpart.
* config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
_smulsi3_highpart.
* config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
New functions.
* config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
patterns.
From-SVN: r122379
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/bfin/bfin.md | 40 | ||||
| -rw-r--r-- | gcc/config/bfin/lib1funcs.asm | 47 | ||||
| -rw-r--r-- | gcc/config/bfin/t-bfin-elf | 3 |
3 files changed, 89 insertions, 1 deletions
diff --git a/gcc/config/bfin/bfin.md b/gcc/config/bfin/bfin.md index b65e8dd..fd55f4f 100644 --- a/gcc/config/bfin/bfin.md +++ b/gcc/config/bfin/bfin.md @@ -1436,6 +1436,46 @@ "%0 *= %2;" [(set_attr "type" "mult")]) +(define_expand "umulsi3_highpart" + [(set (match_operand:SI 0 "register_operand" "") + (truncate:SI + (lshiftrt:DI + (mult:DI (zero_extend:DI + (match_operand:SI 1 "nonimmediate_operand" "")) + (zero_extend:DI + (match_operand:SI 2 "register_operand" ""))) + (const_int 32))))] + "" +{ + rtx umulsi3_highpart_libfunc + = init_one_libfunc ("__umulsi3_highpart"); + + emit_library_call_value (umulsi3_highpart_libfunc, + operands[0], LCT_NORMAL, SImode, + 2, operands[1], SImode, operands[2], SImode); + DONE; +}) + +(define_expand "smulsi3_highpart" + [(set (match_operand:SI 0 "register_operand" "") + (truncate:SI + (lshiftrt:DI + (mult:DI (sign_extend:DI + (match_operand:SI 1 "nonimmediate_operand" "")) + (sign_extend:DI + (match_operand:SI 2 "register_operand" ""))) + (const_int 32))))] + "" +{ + rtx smulsi3_highpart_libfunc + = init_one_libfunc ("__smulsi3_highpart"); + + emit_library_call_value (smulsi3_highpart_libfunc, + operands[0], LCT_NORMAL, SImode, + 2, operands[1], SImode, operands[2], SImode); + DONE; +}) + (define_expand "ashlsi3" [(set (match_operand:SI 0 "register_operand" "") (ashift:SI (match_operand:SI 1 "register_operand" "") diff --git a/gcc/config/bfin/lib1funcs.asm b/gcc/config/bfin/lib1funcs.asm index 77d4fff..1d2db9b 100644 --- a/gcc/config/bfin/lib1funcs.asm +++ b/gcc/config/bfin/lib1funcs.asm @@ -117,3 +117,50 @@ ___umodsi3: RTS; #endif +#ifdef L_umulsi3_highpart +.align 2 +.global ___umulsi3_highpart; +.type ___umulsi3_highpart, STT_FUNC; + +___umulsi3_highpart: + R2 = R1.H * R0.H, R3 = R1.L * R0.H (FU); + R0 = R1.L * R0.L, R1 = R1.H * R0.L (FU); + R0 >>= 16; + /* Unsigned multiplication has the nice property that we can + ignore carry on this first addition. */ + R0 = R0 + R3; + R0 = R0 + R1; + cc = ac0; + R1 = cc; + R1 = PACK(R1.l,R0.h); + R0 = R1 + R2; + RTS; +#endif + +#ifdef L_smulsi3_highpart +.align 2 +.global ___smulsi3_highpart; +.type ___smulsi3_highpart, STT_FUNC; + +___smulsi3_highpart: + R2 = R1.L * R0.L (FU); + R3 = R1.H * R0.L (IS,M); + R0 = R0.H * R1.H, R1 = R0.H * R1.L (IS,M); + + R1.L = R2.H + R1.L; + cc = ac0; + R2 = cc; + + R1.L = R1.L + R3.L; + cc = ac0; + R1 >>>= 16; + R3 >>>= 16; + R1 = R1 + R3; + R1 = R1 + R2; + R2 = cc; + R1 = R1 + R2; + + R0 = R0 + R1; + RTS; +#endif + diff --git a/gcc/config/bfin/t-bfin-elf b/gcc/config/bfin/t-bfin-elf index 06aa0ae..1d9fce6 100644 --- a/gcc/config/bfin/t-bfin-elf +++ b/gcc/config/bfin/t-bfin-elf @@ -1,7 +1,8 @@ ## Target part of the Makefile LIB1ASMSRC = bfin/lib1funcs.asm -LIB1ASMFUNCS = _divsi3 _udivsi3 _umodsi3 _modsi3 +LIB1ASMFUNCS = _divsi3 _udivsi3 _umodsi3 _modsi3 _umulsi3_highpart +LIB1ASMFUNCS += _smulsi3_highpart EXTRA_PARTS = crtbegin.o crtend.o crtbeginS.o crtendS.o crti.o crtn.o crtlibid.o |