(UNSPEC_SET_RIP 16)
(UNSPEC_SET_GOT_OFFSET 17)
(UNSPEC_MEMORY_BLOCKAGE 18)
+ (UNSPEC_SSE_PROLOGUE_SAVE_LOW 19)
; TLS support
(UNSPEC_TP 20)
(reg:DI XMM5_REG)
(reg:DI XMM6_REG)
(reg:DI XMM7_REG)] UNSPEC_SSE_PROLOGUE_SAVE))
- (use (match_operand:DI 1 "register_operand" ""))
+ (clobber (match_operand:DI 1 "register_operand" ""))
(use (match_operand:DI 2 "immediate_operand" ""))
- (use (label_ref:DI (match_operand 3 "" "")))])]
+ (use (label_ref:DI (match_operand 3 "" "")))
+ (clobber (match_operand:DI 4 "register_operand" ""))
+ (use (match_dup 1))])]
"TARGET_64BIT"
"")
-(define_insn "*sse_prologue_save_insn"
+;; Pre-reload version of prologue save. Until after prologue generation we don't know
+;; what the size of save instruction will be.
+;; Operand 0+operand 6 is the memory save area
+;; Operand 1 is number of registers to save (will get overwritten to operand 5)
+;; Operand 2 is number of non-vaargs SSE arguments
+;; Operand 3 is label starting the save block
+;; Operand 4 is used for temporary computation of jump address
+(define_insn "*sse_prologue_save_insn1"
[(set (mem:BLK (plus:DI (match_operand:DI 0 "register_operand" "R")
- (match_operand:DI 4 "const_int_operand" "n")))
+ (match_operand:DI 6 "const_int_operand" "n")))
(unspec:BLK [(reg:DI XMM0_REG)
(reg:DI XMM1_REG)
(reg:DI XMM2_REG)
(reg:DI XMM5_REG)
(reg:DI XMM6_REG)
(reg:DI XMM7_REG)] UNSPEC_SSE_PROLOGUE_SAVE))
+ (clobber (match_operand:DI 1 "register_operand" "=r"))
+ (use (match_operand:DI 2 "const_int_operand" "i"))
+ (use (label_ref:DI (match_operand 3 "" "X")))
+ (clobber (match_operand:DI 4 "register_operand" "=&r"))
+ (use (match_operand:DI 5 "register_operand" "1"))]
+ "TARGET_64BIT
+ && INTVAL (operands[6]) + X86_64_SSE_REGPARM_MAX * 16 - 16 < 128
+ && INTVAL (operands[6]) + INTVAL (operands[2]) * 16 >= -128"
+ "#"
+ [(set_attr "type" "other")
+ (set_attr "memory" "store")
+ (set_attr "mode" "DI")])
+
+;; We know size of save instruction; expand the computation of jump address
+;; in the jumptable.
+(define_split
+ [(parallel [(set (match_operand:BLK 0 "" "")
+ (unspec:BLK [(reg:DI XMM0_REG)
+ (reg:DI XMM1_REG)
+ (reg:DI XMM2_REG)
+ (reg:DI XMM3_REG)
+ (reg:DI XMM4_REG)
+ (reg:DI XMM5_REG)
+ (reg:DI XMM6_REG)
+ (reg:DI XMM7_REG)] UNSPEC_SSE_PROLOGUE_SAVE))
+ (clobber (match_operand:DI 1 "register_operand" ""))
+ (use (match_operand:DI 2 "const_int_operand" ""))
+ (use (match_operand 3 "" ""))
+ (clobber (match_operand:DI 4 "register_operand" ""))
+ (use (match_operand:DI 5 "register_operand" ""))])]
+ "reload_completed"
+ [(parallel [(set (match_dup 0)
+ (unspec:BLK [(reg:DI XMM0_REG)
+ (reg:DI XMM1_REG)
+ (reg:DI XMM2_REG)
+ (reg:DI XMM3_REG)
+ (reg:DI XMM4_REG)
+ (reg:DI XMM5_REG)
+ (reg:DI XMM6_REG)
+ (reg:DI XMM7_REG)] UNSPEC_SSE_PROLOGUE_SAVE_LOW))
+ (use (match_dup 1))
+ (use (match_dup 2))
+ (use (match_dup 3))
+ (use (match_dup 5))])]
+{
+ /* Movaps is 4 bytes, AVX and movsd is 5 bytes. */
+ int size = 4 + (TARGET_AVX || crtl->stack_alignment_needed < 128);
+
+ /* Compute address to jump to:
+ label - eax*size + nnamed_sse_arguments*size. */
+ if (size == 5)
+ emit_insn (gen_rtx_SET (VOIDmode, operands[4],
+ gen_rtx_PLUS
+ (Pmode,
+ gen_rtx_MULT (Pmode, operands[1],
+ GEN_INT (4)),
+ operands[1])));
+ else if (size == 4)
+ emit_insn (gen_rtx_SET (VOIDmode, operands[4],
+ gen_rtx_MULT (Pmode, operands[1],
+ GEN_INT (4))));
+ else
+ gcc_unreachable ();
+ if (INTVAL (operands[2]))
+ emit_move_insn
+ (operands[1],
+ gen_rtx_CONST (DImode,
+ gen_rtx_PLUS (DImode,
+ operands[3],
+ GEN_INT (INTVAL (operands[2])
+ * size))));
+ else
+ emit_move_insn (operands[1], operands[3]);
+ emit_insn (gen_subdi3 (operands[1], operands[1], operands[4]));
+ operands[5] = GEN_INT (size);
+})
+
+(define_insn "sse_prologue_save_insn"
+ [(set (mem:BLK (plus:DI (match_operand:DI 0 "register_operand" "R")
+ (match_operand:DI 4 "const_int_operand" "n")))
+ (unspec:BLK [(reg:DI XMM0_REG)
+ (reg:DI XMM1_REG)
+ (reg:DI XMM2_REG)
+ (reg:DI XMM3_REG)
+ (reg:DI XMM4_REG)
+ (reg:DI XMM5_REG)
+ (reg:DI XMM6_REG)
+ (reg:DI XMM7_REG)] UNSPEC_SSE_PROLOGUE_SAVE_LOW))
(use (match_operand:DI 1 "register_operand" "r"))
(use (match_operand:DI 2 "const_int_operand" "i"))
- (use (label_ref:DI (match_operand 3 "" "X")))]
+ (use (label_ref:DI (match_operand 3 "" "X")))
+ (use (match_operand:DI 5 "const_int_operand" "i"))]
"TARGET_64BIT
&& INTVAL (operands[4]) + X86_64_SSE_REGPARM_MAX * 16 - 16 < 128
&& INTVAL (operands[4]) + INTVAL (operands[2]) * 16 >= -128"
PUT_MODE (operands[4], TImode);
if (GET_CODE (XEXP (operands[0], 0)) != PLUS)
output_asm_insn ("rex", operands);
- output_asm_insn ("%vmovaps\t{%5, %4|%4, %5}", operands);
+ if (crtl->stack_alignment_needed < 128)
+ output_asm_insn ("%vmovsd\t{%5, %4|%4, %5}", operands);
+ else
+ output_asm_insn ("%vmovaps\t{%5, %4|%4, %5}", operands);
}
(*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (operands[3]));
[(set_attr "type" "other")
(set_attr "length_immediate" "0")
(set_attr "length_address" "0")
+ ;; 2 bytes for jump and opernds[4] bytes for each save.
(set (attr "length")
- (if_then_else
- (eq (symbol_ref "TARGET_AVX") (const_int 0))
- (const_string "34")
- (const_string "42")))
+ (plus (const_int 2)
+ (mult (symbol_ref ("INTVAL (operands[5])"))
+ (symbol_ref ("X86_64_SSE_REGPARM_MAX - INTVAL (operands[2])")))))
(set_attr "memory" "store")
(set_attr "modrm" "0")
(set_attr "prefix" "maybe_vex")
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