diff options
Diffstat (limited to 'gcc/config/sparc/sparc.c')
| -rw-r--r-- | gcc/config/sparc/sparc.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 76527931f5e..9639dd6d915 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -938,10 +938,33 @@ singlemove_string (operands) else abort (); } - if (GET_CODE (operands[1]) == MEM) + else if (GET_CODE (operands[1]) == MEM) return "ld %1,%0"; - if (GET_CODE (operands[1]) == CONST_INT - && ! CONST_OK_FOR_LETTER_P (INTVAL (operands[1]), 'I')) + else if (GET_CODE (operands[1]) == CONST_DOUBLE) + { + int i; + union real_extract u; + union float_extract { float f; int i; } v; + + /* Must be SFmode, otherwise this doesn't make sense. */ + if (GET_MODE (operands[1]) != SFmode) + abort (); + + bcopy (&CONST_DOUBLE_LOW (operands[1]), &u, sizeof u); + v.f = REAL_VALUE_TRUNCATE (SFmode, u.d); + i = v.i; + + operands[1] = gen_rtx (CONST_INT, VOIDmode, i); + + if (CONST_OK_FOR_LETTER_P (i, 'I')) + return "mov %1,%0"; + else if ((i & 0x000003FF) != 0) + return "sethi %%hi(%a1),%0\n\tor %0,%%lo(%a1),%0"; + else + return "sethi %%hi(%a1),%0"; + } + else if (GET_CODE (operands[1]) == CONST_INT + && ! CONST_OK_FOR_LETTER_P (INTVAL (operands[1]), 'I')) { int i = INTVAL (operands[1]); @@ -952,7 +975,7 @@ singlemove_string (operands) else return "sethi %%hi(%a1),%0"; } - /* ??? Wrong if target is DImode? */ + /* Operand 1 must be a register, or a 'I' type CONST_INT. */ return "mov %1,%0"; } |