diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/pa/pa.c | 43 |
2 files changed, 28 insertions, 21 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4c832e7..d0ab5c3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-04-02 John David Anglin <danglin@gcc.gnu.org> + + * config/pa/pa.c (pa_output_move_double): Directly handle register + indexed memory operand. Simplify handling of scaled register indexed + memory operands. + 2015-04-02 Ilya Enkovich <ilya.enkovich@intel.com> PR driver/65444 diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c index 2f2735c..d5b0c50 100644 --- a/gcc/config/pa/pa.c +++ b/gcc/config/pa/pa.c @@ -2595,28 +2595,29 @@ pa_output_move_double (rtx *operands) && GET_CODE (XEXP (addr, 0)) == MULT) { rtx xoperands[4]; - rtx high_reg = gen_rtx_SUBREG (SImode, operands[0], 0); - if (!reg_overlap_mentioned_p (high_reg, addr)) - { - 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|shladd,l %2,%O3,%1,%0}", - xoperands); - return "ldw 4(%0),%R0\n\tldw 0(%0),%0"; - } - else - { - 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|shladd,l %2,%O3,%1,%R0}", - xoperands); - return "ldw 0(%R0),%0\n\tldw 4(%R0),%R0"; - } + /* Load address into left half of destination register. */ + xoperands[0] = gen_rtx_SUBREG (SImode, operands[0], 0); + 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|shladd,l %2,%O3,%1,%0}", + xoperands); + return "ldw 4(%0),%R0\n\tldw 0(%0),%0"; + } + else if (GET_CODE (addr) == PLUS + && REG_P (XEXP (addr, 0)) + && REG_P (XEXP (addr, 1))) + { + rtx xoperands[3]; + + /* Load address into left half of destination register. */ + xoperands[0] = gen_rtx_SUBREG (SImode, operands[0], 0); + xoperands[1] = XEXP (addr, 0); + xoperands[2] = XEXP (addr, 1); + output_asm_insn ("{addl|add,l} %1,%2,%0", + xoperands); + return "ldw 4(%0),%R0\n\tldw 0(%0),%0"; } } |