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| author | Jeff Law <law@gcc.gnu.org> | 1997-05-16 14:58:24 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1997-05-16 14:58:24 -0600 |
| commit | a89974a23e9eb2f44485b520bdb2b3bfd28eee51 (patch) | |
| tree | 2570b94a37a192003e61307ee5457d185b073b20 | |
| parent | 30ccf55d854f180ea57da7aaf4926fbba8225ce1 (diff) | |
| download | gcc-a89974a23e9eb2f44485b520bdb2b3bfd28eee51.zip gcc-a89974a23e9eb2f44485b520bdb2b3bfd28eee51.tar.gz gcc-a89974a23e9eb2f44485b520bdb2b3bfd28eee51.tar.bz2 | |
pa.c (output_move_double): Handle loading a general register from a scaled indexed memory address.
* pa.c (output_move_double): Handle loading a general register
from a scaled indexed memory address.
* pa.md (movdf, movdi): Allow scaled loads into general registers.
From-SVN: r14073
| -rw-r--r-- | gcc/config/pa/pa.c | 29 | ||||
| -rw-r--r-- | gcc/config/pa/pa.md | 4 |
2 files changed, 31 insertions, 2 deletions
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c index 95b6c00..3515e22 100644 --- a/gcc/config/pa/pa.c +++ b/gcc/config/pa/pa.c @@ -1662,6 +1662,35 @@ output_move_double (operands) return "ldw -4(0,%1),%R0\n\tldws,mb -8(0,%1),%0"; } } + else if (GET_CODE (addr) == PLUS + && GET_CODE (XEXP (addr, 0)) == MULT) + { + rtx high_reg = gen_rtx (SUBREG, SImode, operands[0], 0); + + if (!reg_overlap_mentioned_p (high_reg, addr)) + { + rtx xoperands[3]; + + xoperands[0] = high_reg; + xoperands[1] = XEXP (addr, 1); + xoperands[2] = XEXP (XEXP (addr, 0), 0); + xoperands[3] = XEXP (XEXP (addr, 0), 1); + output_asm_insn ("sh%O3addl %2,%1,%0", xoperands); + return "ldw 4(0,%0),%R0\n\tldw 0(0,%0),%0"; + } + else + { + rtx xoperands[3]; + + xoperands[0] = high_reg; + xoperands[1] = XEXP (addr, 1); + xoperands[2] = XEXP (XEXP (addr, 0), 0); + xoperands[3] = XEXP (XEXP (addr, 0), 1); + output_asm_insn ("sh%O3addl %2,%1,%R0", xoperands); + return "ldw 0(0,%R0),%0\n\tldw 4(0,%R0),%R0"; + } + + } } /* If an operand is an unoffsettable memory ref, find a register diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md index 3ac0bec..d39709f 100644 --- a/gcc/config/pa/pa.md +++ b/gcc/config/pa/pa.md @@ -2234,7 +2234,7 @@ [(set (match_operand:DF 0 "reg_or_nonsymb_mem_operand" "=f,*r,RQ,?o,?Q,f,*r,*r") (match_operand:DF 1 "reg_or_0_or_nonsymb_mem_operand" - "fG,*rG,f,*r,*r,RQ,o,Q"))] + "fG,*rG,f,*r,*r,RQ,o,RQ"))] "(register_operand (operands[0], DFmode) || reg_or_0_operand (operands[1], DFmode)) && ! (GET_CODE (operands[1]) == CONST_DOUBLE @@ -2425,7 +2425,7 @@ [(set (match_operand:DI 0 "reg_or_nonsymb_mem_operand" "=r,o,Q,r,r,r,f,f,*TR") (match_operand:DI 1 "general_operand" - "rM,r,r,o,Q,i,fM,*TR,f"))] + "rM,r,r,o*R,Q,i,fM,*TR,f"))] "(register_operand (operands[0], DImode) || reg_or_0_operand (operands[1], DImode)) && ! TARGET_SOFT_FLOAT" |