diff options
Diffstat (limited to 'gcc/config/alpha/alpha.md')
| -rw-r--r-- | gcc/config/alpha/alpha.md | 65 |
1 files changed, 43 insertions, 22 deletions
diff --git a/gcc/config/alpha/alpha.md b/gcc/config/alpha/alpha.md index 9961617a3dc..cafee4453e7 100644 --- a/gcc/config/alpha/alpha.md +++ b/gcc/config/alpha/alpha.md @@ -4276,6 +4276,20 @@ } }") +(define_insn "*call_osf_1_noreturn" + [(call (mem:DI (match_operand:DI 0 "call_operand" "c,R,i")) + (match_operand 1 "" "")) + (clobber (reg:DI 27)) + (clobber (reg:DI 26))] + "! TARGET_WINDOWS_NT && ! TARGET_OPEN_VMS + && find_reg_note (insn, REG_NORETURN, NULL_RTX)" + "@ + jsr $26,($27),0 + bsr $26,$%0..ng + jsr $26,%0" + [(set_attr "type" "jsr") + (set_attr "length" "*,*,8")]) + (define_insn "*call_osf_1" [(call (mem:DI (match_operand:DI 0 "call_operand" "c,R,i")) (match_operand 1 "" "")) @@ -4659,7 +4673,7 @@ " { alpha_split_tfmode_pair (operands); - if (rtx_equal_p (operands[0], operands[3])) + if (reg_overlap_mentioned_p (operands[0], operands[3])) { rtx tmp; tmp = operands[0], operands[0] = operands[1], operands[1] = tmp; @@ -4717,7 +4731,7 @@ st%, %R1,%0" [(set_attr "type" "ilog,iadd,iadd,ild,ist,fcpys,fld,fst")]) -(define_insn "*movsf_fix" +(define_insn "*movsi_fix" [(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r,m,*f,*f,m,r,*f") (match_operand:SI 1 "input_operand" "rJ,K,L,m,rJ,*fJ,m,*f,*f,r"))] "! TARGET_WINDOWS_NT && ! TARGET_OPEN_VMS && TARGET_FIX @@ -5886,22 +5900,6 @@ DONE; }") -(define_expand "eh_epilogue" - [(use (match_operand:DI 0 "register_operand" "r")) - (use (match_operand:DI 1 "register_operand" "r")) - (use (match_operand:DI 2 "register_operand" "r"))] - "! TARGET_OPEN_VMS" - " -{ - cfun->machine->eh_epilogue_sp_ofs = operands[1]; - if (GET_CODE (operands[2]) != REG || REGNO (operands[2]) != 26) - { - rtx ra = gen_rtx_REG (Pmode, 26); - emit_move_insn (ra, operands[2]); - operands[2] = ra; - } -}") - ;; In creating a large stack frame, NT _must_ use ldah+lda to load ;; the frame size into a register. We use this pattern to ensure ;; we get lda instead of addq. @@ -5961,13 +5959,36 @@ [(set_attr "length" "12") (set_attr "type" "multi")]) -(define_insn "exception_receiver" - [(unspec_volatile [(const_int 0)] 7)] +(define_expand "exception_receiver" + [(unspec_volatile [(match_dup 0)] 7)] "! TARGET_OPEN_VMS && ! TARGET_WINDOWS_NT" - "br $29,$LSJ%=\\n$LSJ%=:\;ldgp $29,0($29)" - [(set_attr "length" "12") + " +{ + if (TARGET_LD_BUGGY_LDGP) + operands[0] = alpha_gp_save_rtx (); + else + operands[0] = const0_rtx; +}") + +(define_insn "*exception_receiver_1" + [(unspec_volatile [(const_int 0)] 7)] + "! TARGET_LD_BUGGY_LDGP" + "ldgp $29,0($26)" + [(set_attr "length" "8") (set_attr "type" "multi")]) +;; ??? We don't represent the usage of $29 properly in address loads +;; and function calls. This leads to the following move being deleted +;; as dead code unless it is represented as a volatile unspec. + +(define_insn "*exception_receiver_2" + [(unspec_volatile [(match_operand:DI 0 "nonimmediate_operand" "r,m")] 7)] + "TARGET_LD_BUGGY_LDGP" + "@ + mov %0,$29 + ldq $29,%0" + [(set_attr "type" "ilog,ild")]) + (define_expand "nonlocal_goto_receiver" [(unspec_volatile [(const_int 0)] 1) (set (reg:DI 27) (mem:DI (reg:DI 29))) |