@@ -7769,19 +7769,11 @@ alpha_expand_prologue (void)
emit_move_insn (last, const0_rtx);
}
- if (TARGET_ABI_WINDOWS_NT || flag_stack_check)
+ if (flag_stack_check)
{
- /* For NT stack unwind (done by 'reverse execution'), it's
- not OK to take the result of a loop, even though the value
- is already in ptr, so we reload it via a single operation
- and subtract it to sp.
-
- Same if -fstack-check is specified, because the probed stack
- size is not equal to the frame size.
-
- Yes, that's correct -- we have to reload the whole constant
- into a temporary via ldah+lda then subtract from sp. */
-
+ /* If -fstack-check is specified we have to load the entire
+ constant into a register and subtract from the sp in one go,
+ because the probed stack size is not equal to the frame size. */
HOST_WIDE_INT lo, hi;
lo = ((frame_size & 0xffff) ^ 0x8000) - 0x8000;
hi = frame_size - lo;
@@ -8134,8 +8126,6 @@ alpha_output_function_end_prologue (FILE *file)
{
if (TARGET_ABI_OPEN_VMS)
fputs ("\t.prologue\n", file);
- else if (TARGET_ABI_WINDOWS_NT)
- fputs ("\t.prologue 0\n", file);
else if (!flag_inhibit_size_directive)
fprintf (file, "\t.prologue %d\n",
alpha_function_needs_gp || cfun->is_thunk);
@@ -146,9 +146,8 @@ extern enum alpha_fp_trap_mode alpha_fptm;
#define TARGET_FP (!TARGET_SOFT_FP)
/* These are for target os support and cannot be changed at runtime. */
-#define TARGET_ABI_WINDOWS_NT 0
-#define TARGET_ABI_OPEN_VMS 0
-#define TARGET_ABI_OSF (!TARGET_ABI_WINDOWS_NT && !TARGET_ABI_OPEN_VMS)
+#define TARGET_ABI_OPEN_VMS 0
+#define TARGET_ABI_OSF (!TARGET_ABI_OPEN_VMS)
#ifndef TARGET_AS_CAN_SUBTRACT_LABELS
#define TARGET_AS_CAN_SUBTRACT_LABELS TARGET_GAS
@@ -1123,8 +1122,7 @@ do { \
/* This is how to output an element of a case-vector that is relative. */
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
- fprintf (FILE, "\t.%s $L%d\n", TARGET_ABI_WINDOWS_NT ? "long" : "gprel32", \
- (VALUE))
+ fprintf (FILE, "\t.gprel32 $L%d\n", (VALUE))
/* This is how to output an assembler line
that says to advance the location counter
@@ -4252,9 +4252,7 @@
(use (match_operand 3 "" ""))]
""
{
- if (TARGET_ABI_WINDOWS_NT)
- emit_call_insn (gen_call_nt (operands[0], operands[1]));
- else if (TARGET_ABI_OPEN_VMS)
+ if (TARGET_ABI_OPEN_VMS)
emit_call_insn (gen_call_vms (operands[0], operands[2]));
else
emit_call_insn (gen_call_osf (operands[0], operands[1]));
@@ -4285,19 +4283,6 @@
operands[0] = copy_to_mode_reg (Pmode, operands[0]);
})
-(define_expand "call_nt"
- [(parallel [(call (mem:DI (match_operand 0 "" ""))
- (match_operand 1 "" ""))
- (clobber (reg:DI 26))])]
- ""
-{
- gcc_assert (MEM_P (operands[0]));
-
- operands[0] = XEXP (operands[0], 0);
- if (GET_CODE (operands[0]) != SYMBOL_REF && !REG_P (operands[0]))
- operands[0] = force_reg (DImode, operands[0]);
-})
-
;;
;; call openvms/alpha
;; op 0: symbol ref for called function
@@ -4344,9 +4329,7 @@
(use (match_operand 4 "" ""))]
""
{
- if (TARGET_ABI_WINDOWS_NT)
- emit_call_insn (gen_call_value_nt (operands[0], operands[1], operands[2]));
- else if (TARGET_ABI_OPEN_VMS)
+ if (TARGET_ABI_OPEN_VMS)
emit_call_insn (gen_call_value_vms (operands[0], operands[1],
operands[3]));
else
@@ -4381,20 +4364,6 @@
operands[1] = copy_to_mode_reg (Pmode, operands[1]);
})
-(define_expand "call_value_nt"
- [(parallel [(set (match_operand 0 "" "")
- (call (mem:DI (match_operand 1 "" ""))
- (match_operand 2 "" "")))
- (clobber (reg:DI 26))])]
- ""
-{
- gcc_assert (MEM_P (operands[1]));
-
- operands[1] = XEXP (operands[1], 0);
- if (GET_CODE (operands[1]) != SYMBOL_REF && !REG_P (operands[1]))
- operands[1] = force_reg (DImode, operands[1]);
-})
-
(define_expand "call_value_vms"
[(parallel [(set (match_operand 0 "" "")
(call (mem:DI (match_operand:DI 1 "" ""))
@@ -4601,18 +4570,6 @@
[(set_attr "type" "jsr")
(set_attr "length" "*,8")])
-(define_insn "*call_nt_1"
- [(call (mem:DI (match_operand:DI 0 "call_operand" "r,R,s"))
- (match_operand 1 "" ""))
- (clobber (reg:DI 26))]
- "TARGET_ABI_WINDOWS_NT"
- "@
- jsr $26,(%0)
- bsr $26,%0
- jsr $26,%0"
- [(set_attr "type" "jsr")
- (set_attr "length" "*,*,12")])
-
; GAS relies on the order and position of instructions output below in order
; to generate relocs for VMS link to potentially optimize the call.
; Please do not molest.
@@ -4708,13 +4665,7 @@
(use (label_ref:DI (match_operand 1 "" "")))])]
""
{
- if (TARGET_ABI_WINDOWS_NT)
- {
- rtx dest = gen_reg_rtx (DImode);
- emit_insn (gen_extendsidi2 (dest, operands[0]));
- operands[0] = dest;
- }
- else if (TARGET_ABI_OSF)
+ if (TARGET_ABI_OSF)
{
rtx dest = gen_reg_rtx (DImode);
emit_insn (gen_extendsidi2 (dest, operands[0]));
@@ -4723,18 +4674,6 @@
}
})
-(define_insn "*tablejump_osf_nt_internal"
- [(set (pc)
- (match_operand:DI 0 "register_operand" "r"))
- (use (label_ref:DI (match_operand 1 "" "")))]
- "(TARGET_ABI_OSF || TARGET_ABI_WINDOWS_NT)
- && alpha_tablejump_addr_vec (insn)"
-{
- operands[2] = alpha_tablejump_best_label (insn);
- return "jmp $31,(%0),%2";
-}
- [(set_attr "type" "ibr")])
-
(define_insn "*tablejump_internal"
[(set (pc)
(match_operand:DI 0 "register_operand" "r"))
@@ -4752,12 +4691,9 @@
[(set_attr "type" "callpal")])
;; BUGCHK is documented common to OSF/1 and VMS PALcode.
-;; NT does not document anything at 0x81 -- presumably it would generate
-;; the equivalent of SIGILL, but this isn't that important.
-;; ??? Presuming unicosmk uses either OSF/1 or VMS PALcode.
(define_insn "trap"
[(trap_if (const_int 1) (const_int 0))]
- "!TARGET_ABI_WINDOWS_NT"
+ ""
"call_pal 0x81"
[(set_attr "type" "callpal")])
@@ -4972,7 +4908,7 @@
(define_insn "*movsi_nt_vms"
[(set (match_operand:SI 0 "nonimmediate_operand" "=r,r,r,r,r,r,m")
(match_operand:SI 1 "input_operand" "rJ,K,L,s,n,m,rJ"))]
- "(TARGET_ABI_WINDOWS_NT || TARGET_ABI_OPEN_VMS)
+ "TARGET_ABI_OPEN_VMS
&& (register_operand (operands[0], SImode)
|| reg_or_0_operand (operands[1], SImode))"
"@
@@ -7670,19 +7606,6 @@
[(set_attr "type" "jsr")
(set_attr "length" "*,8")])
-(define_insn "*call_value_nt_1"
- [(set (match_operand 0 "" "")
- (call (mem:DI (match_operand:DI 1 "call_operand" "r,R,s"))
- (match_operand 2 "" "")))
- (clobber (reg:DI 26))]
- "TARGET_ABI_WINDOWS_NT"
- "@
- jsr $26,(%1)
- bsr $26,%1
- jsr $26,%1"
- [(set_attr "type" "jsr")
- (set_attr "length" "*,*,12")])
-
; GAS relies on the order and position of instructions output below in order
; to generate relocs for VMS link to potentially optimize the call.
; Please do not molest.
@@ -195,9 +195,7 @@
|| gotdtp_symbolic_operand (op, mode)
|| gottp_symbolic_operand (op, mode));
}
-
- /* This handles both the Windows/NT and OSF cases. */
- return mode == ptr_mode || mode == DImode;
+ return mode == Pmode;
case HIGH:
return (TARGET_EXPLICIT_RELOCS