diff options
Diffstat (limited to 'gcc/config/i386/sync.md')
| -rw-r--r-- | gcc/config/i386/sync.md | 100 |
1 files changed, 92 insertions, 8 deletions
diff --git a/gcc/config/i386/sync.md b/gcc/config/i386/sync.md index 29b82f86d43..eceaa73a679 100644 --- a/gcc/config/i386/sync.md +++ b/gcc/config/i386/sync.md @@ -219,29 +219,71 @@ (set (match_operand:DI 2 "memory_operand") (unspec:DI [(match_dup 0)] UNSPEC_FIST_ATOMIC)) - (set (match_operand:DF 3 "fp_register_operand") + (set (match_operand:DF 3 "any_fp_register_operand") (match_operand:DF 4 "memory_operand"))] "!TARGET_64BIT && peep2_reg_dead_p (2, operands[0]) - && rtx_equal_p (operands[4], adjust_address_nv (operands[2], DFmode, 0))" + && rtx_equal_p (XEXP (operands[4], 0), XEXP (operands[2], 0))" [(set (match_dup 3) (match_dup 5))] "operands[5] = gen_lowpart (DFmode, operands[1]);") (define_peephole2 + [(set (match_operand:DF 0 "fp_register_operand") + (unspec:DF [(match_operand:DI 1 "memory_operand")] + UNSPEC_FILD_ATOMIC)) + (set (match_operand:DI 2 "memory_operand") + (unspec:DI [(match_dup 0)] + UNSPEC_FIST_ATOMIC)) + (set (mem:BLK (scratch:SI)) + (unspec:BLK [(mem:BLK (scratch:SI))] UNSPEC_MEMORY_BLOCKAGE)) + (set (match_operand:DF 3 "any_fp_register_operand") + (match_operand:DF 4 "memory_operand"))] + "!TARGET_64BIT + && peep2_reg_dead_p (2, operands[0]) + && rtx_equal_p (XEXP (operands[4], 0), XEXP (operands[2], 0))" + [(const_int 0)] +{ + emit_move_insn (operands[3], gen_lowpart (DFmode, operands[1])); + emit_insn (gen_memory_blockage ()); + DONE; +}) + +(define_peephole2 [(set (match_operand:DF 0 "sse_reg_operand") (unspec:DF [(match_operand:DI 1 "memory_operand")] UNSPEC_LDX_ATOMIC)) (set (match_operand:DI 2 "memory_operand") (unspec:DI [(match_dup 0)] UNSPEC_STX_ATOMIC)) - (set (match_operand:DF 3 "fp_register_operand") + (set (match_operand:DF 3 "any_fp_register_operand") (match_operand:DF 4 "memory_operand"))] "!TARGET_64BIT && peep2_reg_dead_p (2, operands[0]) - && rtx_equal_p (operands[4], adjust_address_nv (operands[2], DFmode, 0))" + && rtx_equal_p (XEXP (operands[4], 0), XEXP (operands[2], 0))" [(set (match_dup 3) (match_dup 5))] "operands[5] = gen_lowpart (DFmode, operands[1]);") +(define_peephole2 + [(set (match_operand:DF 0 "sse_reg_operand") + (unspec:DF [(match_operand:DI 1 "memory_operand")] + UNSPEC_LDX_ATOMIC)) + (set (match_operand:DI 2 "memory_operand") + (unspec:DI [(match_dup 0)] + UNSPEC_STX_ATOMIC)) + (set (mem:BLK (scratch:SI)) + (unspec:BLK [(mem:BLK (scratch:SI))] UNSPEC_MEMORY_BLOCKAGE)) + (set (match_operand:DF 3 "any_fp_register_operand") + (match_operand:DF 4 "memory_operand"))] + "!TARGET_64BIT + && peep2_reg_dead_p (2, operands[0]) + && rtx_equal_p (XEXP (operands[4], 0), XEXP (operands[2], 0))" + [(const_int 0)] +{ + emit_move_insn (operands[3], gen_lowpart (DFmode, operands[1])); + emit_insn (gen_memory_blockage ()); + DONE; +}) + (define_expand "atomic_store<mode>" [(set (match_operand:ATOMIC 0 "memory_operand") (unspec:ATOMIC [(match_operand:ATOMIC 1 "nonimmediate_operand") @@ -331,7 +373,7 @@ (define_peephole2 [(set (match_operand:DF 0 "memory_operand") - (match_operand:DF 1 "fp_register_operand")) + (match_operand:DF 1 "any_fp_register_operand")) (set (match_operand:DF 2 "fp_register_operand") (unspec:DF [(match_operand:DI 3 "memory_operand")] UNSPEC_FILD_ATOMIC)) @@ -340,13 +382,34 @@ UNSPEC_FIST_ATOMIC))] "!TARGET_64BIT && peep2_reg_dead_p (3, operands[2]) - && rtx_equal_p (operands[0], adjust_address_nv (operands[3], DFmode, 0))" + && rtx_equal_p (XEXP (operands[0], 0), XEXP (operands[3], 0))" [(set (match_dup 5) (match_dup 1))] "operands[5] = gen_lowpart (DFmode, operands[4]);") (define_peephole2 [(set (match_operand:DF 0 "memory_operand") - (match_operand:DF 1 "fp_register_operand")) + (match_operand:DF 1 "any_fp_register_operand")) + (set (mem:BLK (scratch:SI)) + (unspec:BLK [(mem:BLK (scratch:SI))] UNSPEC_MEMORY_BLOCKAGE)) + (set (match_operand:DF 2 "fp_register_operand") + (unspec:DF [(match_operand:DI 3 "memory_operand")] + UNSPEC_FILD_ATOMIC)) + (set (match_operand:DI 4 "memory_operand") + (unspec:DI [(match_dup 2)] + UNSPEC_FIST_ATOMIC))] + "!TARGET_64BIT + && peep2_reg_dead_p (4, operands[2]) + && rtx_equal_p (XEXP (operands[0], 0), XEXP (operands[3], 0))" + [(const_int 0)] +{ + emit_insn (gen_memory_blockage ()); + emit_move_insn (gen_lowpart (DFmode, operands[4]), operands[1]); + DONE; +}) + +(define_peephole2 + [(set (match_operand:DF 0 "memory_operand") + (match_operand:DF 1 "any_fp_register_operand")) (set (match_operand:DF 2 "sse_reg_operand") (unspec:DF [(match_operand:DI 3 "memory_operand")] UNSPEC_LDX_ATOMIC)) @@ -355,10 +418,31 @@ UNSPEC_STX_ATOMIC))] "!TARGET_64BIT && peep2_reg_dead_p (3, operands[2]) - && rtx_equal_p (operands[0], adjust_address_nv (operands[3], DFmode, 0))" + && rtx_equal_p (XEXP (operands[0], 0), XEXP (operands[3], 0))" [(set (match_dup 5) (match_dup 1))] "operands[5] = gen_lowpart (DFmode, operands[4]);") +(define_peephole2 + [(set (match_operand:DF 0 "memory_operand") + (match_operand:DF 1 "any_fp_register_operand")) + (set (mem:BLK (scratch:SI)) + (unspec:BLK [(mem:BLK (scratch:SI))] UNSPEC_MEMORY_BLOCKAGE)) + (set (match_operand:DF 2 "sse_reg_operand") + (unspec:DF [(match_operand:DI 3 "memory_operand")] + UNSPEC_LDX_ATOMIC)) + (set (match_operand:DI 4 "memory_operand") + (unspec:DI [(match_dup 2)] + UNSPEC_STX_ATOMIC))] + "!TARGET_64BIT + && peep2_reg_dead_p (4, operands[2]) + && rtx_equal_p (XEXP (operands[0], 0), XEXP (operands[3], 0))" + [(const_int 0)] +{ + emit_insn (gen_memory_blockage ()); + emit_move_insn (gen_lowpart (DFmode, operands[4]), operands[1]); + DONE; +}) + ;; ??? You'd think that we'd be able to perform this via FLOAT + FIX_TRUNC ;; operations. But the fix_trunc patterns want way more setup than we want ;; to provide. Note that the scratch is DFmode instead of XFmode in order |