diff options
Diffstat (limited to 'backend/src/backend/gen_insn_selection.cpp')
| -rw-r--r-- | backend/src/backend/gen_insn_selection.cpp | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/backend/src/backend/gen_insn_selection.cpp b/backend/src/backend/gen_insn_selection.cpp index 817111d4..cac50dc9 100644 --- a/backend/src/backend/gen_insn_selection.cpp +++ b/backend/src/backend/gen_insn_selection.cpp @@ -529,7 +529,7 @@ namespace gbe /*! Saturated 64bit x*y + z */ void I64MADSAT(Reg dst, Reg src0, Reg src1, Reg src2, GenRegister tmp[9]); /*! High 64bit of x*y */ - void I64_MUL_HI(Reg dst, Reg src0, Reg src1, GenRegister tmp[9]); + void I64_MUL_HI(Reg dst, Reg src0, Reg src1, GenRegister *tmp, int tmp_num); /*! (x+y)>>1 without mod. overflow */ void I64HADD(Reg dst, Reg src0, Reg src1, GenRegister tmp[4]); /*! (x+y+1)>>1 without mod. overflow */ @@ -1487,12 +1487,12 @@ namespace gbe insn->dst(i + 1) = tmp[i]; } - void Selection::Opaque::I64_MUL_HI(Reg dst, Reg src0, Reg src1, GenRegister tmp[9]) { - SelectionInstruction *insn = this->appendInsn(SEL_OP_I64_MUL_HI, 10, 2); + void Selection::Opaque::I64_MUL_HI(Reg dst, Reg src0, Reg src1, GenRegister *tmp, int tmp_num) { + SelectionInstruction *insn = this->appendInsn(SEL_OP_I64_MUL_HI, tmp_num + 1, 2); insn->dst(0) = dst; insn->src(0) = src0; insn->src(1) = src1; - for(int i = 0; i < 9; i ++) + for(int i = 0; i < tmp_num; i ++) insn->dst(i + 1) = tmp[i]; } @@ -2388,17 +2388,26 @@ namespace gbe } case OP_I64_MUL_HI: { - GenRegister temp[9]; - for(int i=0; i<9; i++) { - temp[i] = sel.selReg(sel.reg(FAMILY_DWORD)); - temp[i].type = GEN_TYPE_UD; - } - sel.push(); - sel.curr.flag = 0; - sel.curr.subFlag = 1; - sel.I64_MUL_HI(dst, src0, src1, temp); - sel.pop(); - break; + int tmp_num; + GenRegister temp[9]; + if (sel.hasLongType()) { + for(int i=0; i<9; i++) { + temp[i] = sel.selReg(sel.reg(FAMILY_QWORD), ir::TYPE_U64); + } + tmp_num = 6; + } else { + for(int i=0; i<9; i++) { + temp[i] = sel.selReg(sel.reg(FAMILY_DWORD)); + temp[i].type = GEN_TYPE_UD; + } + tmp_num = 9; + } + sel.push(); + sel.curr.flag = 0; + sel.curr.subFlag = 1; + sel.I64_MUL_HI(dst, src0, src1, temp, tmp_num); + sel.pop(); + break; } case OP_MUL: if (type == TYPE_U32 || type == TYPE_S32) { |