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| author | Jeff Law <law@gcc.gnu.org> | 1996-07-03 10:55:40 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1996-07-03 10:55:40 -0600 |
| commit | d85ab9665cf1e89fcb2e6e89580edeb45b74e8cd (patch) | |
| tree | 8a3970b8e0a28f2c0799ed64aa0d0d519585542c | |
| parent | b1092901380ec5872a5122837ea72da9d2f6169b (diff) | |
| download | gcc-d85ab9665cf1e89fcb2e6e89580edeb45b74e8cd.zip gcc-d85ab9665cf1e89fcb2e6e89580edeb45b74e8cd.tar.gz gcc-d85ab9665cf1e89fcb2e6e89580edeb45b74e8cd.tar.bz2 | |
pa.c (fmpyaddoperands): Tighten checks.
* pa.c (fmpyaddoperands): Tighten checks. Allow SFmode.
(fmpysuboperands): Similarly.
From-SVN: r12383
| -rw-r--r-- | gcc/config/pa/pa.c | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c index 76a1b97..42134d5 100644 --- a/gcc/config/pa/pa.c +++ b/gcc/config/pa/pa.c @@ -4894,6 +4894,10 @@ fmpyaddoperands (operands) { enum machine_mode mode = GET_MODE (operands[0]); + /* Must be a floating point mode. */ + if (mode != SFmode && mode != DFmode) + return 0; + /* All modes must be the same. */ if (! (mode == GET_MODE (operands[1]) && mode == GET_MODE (operands[2]) @@ -4902,9 +4906,12 @@ fmpyaddoperands (operands) && mode == GET_MODE (operands[5]))) return 0; - /* Both DFmode and SFmode should work. But using SFmode makes the - assembler complain. Just turn it off for now. */ - if (mode != DFmode) + /* All operands must be registers. */ + if (! (GET_CODE (operands[1]) == REG + && GET_CODE (operands[2]) == REG + && GET_CODE (operands[3]) == REG + && GET_CODE (operands[4]) == REG + && GET_CODE (operands[5]) == REG)) return 0; /* Only 2 real operands to the addition. One of the input operands must @@ -4924,6 +4931,16 @@ fmpyaddoperands (operands) || rtx_equal_p (operands[5], operands[0])) return 0; + /* SFmode limits the registers to the upper 32 of the 32bit FP regs. */ + if (mode == SFmode + && (REGNO (operands[0]) < 57 + || REGNO (operands[1]) < 57 + || REGNO (operands[2]) < 57 + || REGNO (operands[3]) < 57 + || REGNO (operands[4]) < 57 + || REGNO (operands[5]) < 57)) + return 0; + /* Passed. Operands are suitable for fmpyadd. */ return 1; } @@ -4936,6 +4953,10 @@ fmpysuboperands (operands) { enum machine_mode mode = GET_MODE (operands[0]); + /* Must be a floating point mode. */ + if (mode != SFmode && mode != DFmode) + return 0; + /* All modes must be the same. */ if (! (mode == GET_MODE (operands[1]) && mode == GET_MODE (operands[2]) @@ -4944,9 +4965,12 @@ fmpysuboperands (operands) && mode == GET_MODE (operands[5]))) return 0; - /* Both DFmode and SFmode should work. But using SFmode makes the - assembler complain. Just turn it off for now. */ - if (mode != DFmode) + /* All operands must be registers. */ + if (! (GET_CODE (operands[1]) == REG + && GET_CODE (operands[2]) == REG + && GET_CODE (operands[3]) == REG + && GET_CODE (operands[4]) == REG + && GET_CODE (operands[5]) == REG)) return 0; /* Only 2 real operands to the subtraction. Subtraction is not a commutative @@ -4964,6 +4988,16 @@ fmpysuboperands (operands) || rtx_equal_p (operands[3], operands[2])) return 0; + /* SFmode limits the registers to the upper 32 of the 32bit FP regs. */ + if (mode == SFmode + && (REGNO (operands[0]) < 57 + || REGNO (operands[1]) < 57 + || REGNO (operands[2]) < 57 + || REGNO (operands[3]) < 57 + || REGNO (operands[4]) < 57 + || REGNO (operands[5]) < 57)) + return 0; + /* Passed. Operands are suitable for fmpysub. */ return 1; } |