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re PR target/17688 ([4.1] x87 fops can handle HImodes)

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PR target/17688
	* config/i386/i386.c (x86_use_himode_fiop): New.
	(x86_use_simode_fiop): Rename from x86_use_fiop.
	* config/i386/i386.h (x86_use_himode_fiop): Declare.
	(TARGET_USE_HIMODE_FIOP): New.
	(x86_use_simode_fiop): Rename from x86_use_fiop.
	(TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.

	* config/i386/i386.md (X87MODEI12): New mode macro define.
	(*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
	to implement x87 FP compare with HImode input operands.
	(*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
	Use X87MODEI12 mode macro to handle HImode input operands.
	(*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
	*fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
	Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
	*fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
	macro to implement x87 operators with HImode input operands.
	(fop splitters): Use X87MODEI12 mode macro to handle HImode
	input operands.

From-SVN: r96437
This commit is contained in:
Uros Bizjak 2005-03-14 17:16:15 +01:00 committed by Uros Bizjak
parent e4a31e19d9
commit 0e8c2b0d43
4 changed files with 70 additions and 41 deletions
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23
gcc/ChangeLog
View File

@ -1,3 +1,26 @@
2005-03-14 Uros Bizjak <uros@kss-loka.si>
PR target/17688
* config/i386/i386.c (x86_use_himode_fiop): New.
(x86_use_simode_fiop): Rename from x86_use_fiop.
* config/i386/i386.h (x86_use_himode_fiop): Declare.
(TARGET_USE_HIMODE_FIOP): New.
(x86_use_simode_fiop): Rename from x86_use_fiop.
(TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
* config/i386/i386.md (X87MODEI12): New mode macro define.
(*cmpfp_<mode>): Rename from *cmpfp_si. Use X87MODEI12 mode macro
to implement x87 FP compare with HImode input operands.
(*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
Use X87MODEI12 mode macro to handle HImode input operands.
(*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
*fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
*fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
macro to implement x87 operators with HImode input operands.
(fop splitters): Use X87MODEI12 mode macro to handle HImode
input operands.
2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
* tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of

3
gcc/config/i386/i386.c
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@ -535,7 +535,8 @@ const int x86_branch_hints = 0;
const int x86_use_sahf = m_PPRO | m_K6 | m_PENT4 | m_NOCONA;
const int x86_partial_reg_stall = m_PPRO;
const int x86_use_loop = m_K6;
const int x86_use_fiop = ~(m_PPRO | m_ATHLON_K8 | m_PENT);
const int x86_use_himode_fiop = m_386 | m_486 | m_K6;
const int x86_use_simode_fiop = ~(m_PPRO | m_ATHLON_K8 | m_PENT);
const int x86_use_mov0 = m_K6;
const int x86_use_cltd = ~(m_PENT | m_K6);
const int x86_read_modify_write = ~m_PENT;

7
gcc/config/i386/i386.h
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@ -232,8 +232,8 @@ extern const int x86_use_leave, x86_push_memory, x86_zero_extend_with_and;
extern const int x86_use_bit_test, x86_cmove, x86_deep_branch;
extern const int x86_branch_hints, x86_unroll_strlen;
extern const int x86_double_with_add, x86_partial_reg_stall, x86_movx;
extern const int x86_use_loop, x86_use_fiop, x86_use_mov0;
extern const int x86_use_cltd, x86_read_modify_write;
extern const int x86_use_loop, x86_use_himode_fiop, x86_use_simode_fiop;
extern const int x86_use_mov0, x86_use_cltd, x86_read_modify_write;
extern const int x86_read_modify, x86_split_long_moves;
extern const int x86_promote_QImode, x86_single_stringop, x86_fast_prefix;
extern const int x86_himode_math, x86_qimode_math, x86_promote_qi_regs;
@ -265,7 +265,8 @@ extern int x86_prefetch_sse;
#define TARGET_MOVX (x86_movx & TUNEMASK)
#define TARGET_PARTIAL_REG_STALL (x86_partial_reg_stall & TUNEMASK)
#define TARGET_USE_LOOP (x86_use_loop & TUNEMASK)
#define TARGET_USE_FIOP (x86_use_fiop & TUNEMASK)
#define TARGET_USE_HIMODE_FIOP (x86_use_himode_fiop & TUNEMASK)
#define TARGET_USE_SIMODE_FIOP (x86_use_simode_fiop & TUNEMASK)
#define TARGET_USE_MOV0 (x86_use_mov0 & TUNEMASK)
#define TARGET_USE_CLTD (x86_use_cltd & TUNEMASK)
#define TARGET_SPLIT_LONG_MOVES (x86_split_long_moves & TUNEMASK)

78
gcc/config/i386/i386.md
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@ -441,6 +441,9 @@
(define_asm_attributes
[(set_attr "length" "128")
(set_attr "type" "multi")])
;; All integer modes handled by integer x87 operators.
(define_mode_macro X87MODEI12 [HI SI])
;; Scheduling descriptions
@ -895,21 +898,21 @@
]
(const_string "XF")))])
(define_insn "*cmpfp_si"
(define_insn "*cmpfp_<mode>"
[(set (match_operand:HI 0 "register_operand" "=a")
(unspec:HI
[(compare:CCFP
(match_operand 1 "register_operand" "f")
(match_operator 3 "float_operator"
[(match_operand:SI 2 "memory_operand" "m")]))]
[(match_operand:X87MODEI12 2 "memory_operand" "m")]))]
UNSPEC_FNSTSW))]
"TARGET_80387 && TARGET_USE_FIOP
"TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP
&& FLOAT_MODE_P (GET_MODE (operands[1]))
&& (GET_MODE (operands [3]) == GET_MODE (operands[1]))"
"* return output_fp_compare (insn, operands, 0, 0);"
[(set_attr "type" "multi")
(set_attr "fp_int_src" "true")
(set_attr "mode" "SI")])
(set_attr "mode" "<MODE>")])
;; FP compares, step 2
;; Move the fpsw to ax.
@ -12956,23 +12959,23 @@
&& ix86_fp_jump_nontrivial_p (GET_CODE (operands[0]))"
"#")
;; The order of operands in *fp_jcc_8 is forced by combine in
;; The order of operands in *fp_jcc_8_387 is forced by combine in
;; simplify_comparison () function. Float operator is treated as RTX_OBJ
;; with a precedence over other operators and is always put in the first
;; place. Swap condition and operands to match ficom instruction.
(define_insn "*fp_jcc_8_387"
(define_insn "*fp_jcc_8<mode>_387"
[(set (pc)
(if_then_else (match_operator 0 "comparison_operator"
[(match_operator 1 "float_operator"
[(match_operand:SI 2 "nonimmediate_operand" "m,?r")])
[(match_operand:X87MODEI12 2 "nonimmediate_operand" "m,?r")])
(match_operand 3 "register_operand" "f,f")])
(label_ref (match_operand 4 "" ""))
(pc)))
(clobber (reg:CCFP FPSR_REG))
(clobber (reg:CCFP FLAGS_REG))
(clobber (match_scratch:HI 5 "=a,a"))]
"TARGET_80387 && TARGET_USE_FIOP
"TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP
&& FLOAT_MODE_P (GET_MODE (operands[3]))
&& GET_MODE (operands[1]) == GET_MODE (operands[3])
&& !ix86_use_fcomi_compare (swap_condition (GET_CODE (operands[0])))
@ -13019,7 +13022,7 @@
[(set (pc)
(if_then_else (match_operator 0 "comparison_operator"
[(match_operator 1 "float_operator"
[(match_operand:SI 2 "memory_operand" "")])
[(match_operand:X87MODEI12 2 "memory_operand" "")])
(match_operand 3 "register_operand" "")])
(match_operand 4 "" "")
(match_operand 5 "" "")))
@ -13041,7 +13044,7 @@
[(set (pc)
(if_then_else (match_operator 0 "comparison_operator"
[(match_operator 1 "float_operator"
[(match_operand:SI 2 "register_operand" "")])
[(match_operand:X87MODEI12 2 "register_operand" "")])
(match_operand 3 "register_operand" "")])
(match_operand 4 "" "")
(match_operand 5 "" "")))
@ -14180,14 +14183,13 @@
(const_string "fop")))
(set_attr "mode" "SF")])
;; ??? Add SSE splitters for these!
(define_insn "*fop_sf_2_i387"
(define_insn "*fop_sf_2<mode>_i387"
[(set (match_operand:SF 0 "register_operand" "=f,f")
(match_operator:SF 3 "binary_fp_operator"
[(float:SF (match_operand:SI 1 "nonimmediate_operand" "m,?r"))
[(float:SF (match_operand:X87MODEI12 1 "nonimmediate_operand" "m,?r"))
(match_operand:SF 2 "register_operand" "0,0")]))]
"TARGET_80387 && TARGET_USE_FIOP && !TARGET_SSE_MATH"
"TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP && !TARGET_SSE_MATH"
"* return which_alternative ? \"#\" : output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:SF 3 "mult_operator" "")
@ -14197,14 +14199,14 @@
]
(const_string "fop")))
(set_attr "fp_int_src" "true")
(set_attr "mode" "SI")])
(set_attr "mode" "<MODE>")])
(define_insn "*fop_sf_3_i387"
(define_insn "*fop_sf_3<mode>_i387"
[(set (match_operand:SF 0 "register_operand" "=f,f")
(match_operator:SF 3 "binary_fp_operator"
[(match_operand:SF 1 "register_operand" "0,0")
(float:SF (match_operand:SI 2 "nonimmediate_operand" "m,?r"))]))]
"TARGET_80387 && TARGET_USE_FIOP && !TARGET_SSE_MATH"
(float:SF (match_operand:X87MODEI12 2 "nonimmediate_operand" "m,?r"))]))]
"TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP && !TARGET_SSE_MATH"
"* return which_alternative ? \"#\" : output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:SF 3 "mult_operator" "")
@ -14214,7 +14216,7 @@
]
(const_string "fop")))
(set_attr "fp_int_src" "true")
(set_attr "mode" "SI")])
(set_attr "mode" "<MODE>")])
(define_insn "*fop_df_comm_mixed"
[(set (match_operand:DF 0 "register_operand" "=f#Y,Y#f")
@ -14328,12 +14330,13 @@
(set_attr "mode" "DF")])
;; ??? Add SSE splitters for these!
(define_insn "*fop_df_2_i387"
(define_insn "*fop_df_2<mode>_i387"
[(set (match_operand:DF 0 "register_operand" "=f,f")
(match_operator:DF 3 "binary_fp_operator"
[(float:DF (match_operand:SI 1 "nonimmediate_operand" "m,?r"))
[(float:DF (match_operand:X87MODEI12 1 "nonimmediate_operand" "m,?r"))
(match_operand:DF 2 "register_operand" "0,0")]))]
"TARGET_80387 && TARGET_USE_FIOP && !(TARGET_SSE2 && TARGET_SSE_MATH)"
"TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP
&& !(TARGET_SSE2 && TARGET_SSE_MATH)"
"* return which_alternative ? \"#\" : output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:DF 3 "mult_operator" "")
@ -14343,14 +14346,15 @@
]
(const_string "fop")))
(set_attr "fp_int_src" "true")
(set_attr "mode" "SI")])
(set_attr "mode" "<MODE>")])
(define_insn "*fop_df_3_i387"
(define_insn "*fop_df_3<mode>_i387"
[(set (match_operand:DF 0 "register_operand" "=f,f")
(match_operator:DF 3 "binary_fp_operator"
[(match_operand:DF 1 "register_operand" "0,0")
(float:DF (match_operand:SI 2 "nonimmediate_operand" "m,?r"))]))]
"TARGET_80387 && TARGET_USE_FIOP && !(TARGET_SSE2 && TARGET_SSE_MATH)"
(float:DF (match_operand:X87MODEI12 2 "nonimmediate_operand" "m,?r"))]))]
"TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP
&& !(TARGET_SSE2 && TARGET_SSE_MATH)"
"* return which_alternative ? \"#\" : output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:DF 3 "mult_operator" "")
@ -14360,7 +14364,7 @@
]
(const_string "fop")))
(set_attr "fp_int_src" "true")
(set_attr "mode" "SI")])
(set_attr "mode" "<MODE>")])
(define_insn "*fop_df_4_i387"
[(set (match_operand:DF 0 "register_operand" "=f,f")
@ -14445,12 +14449,12 @@
(const_string "fop")))
(set_attr "mode" "XF")])
(define_insn "*fop_xf_2_i387"
(define_insn "*fop_xf_2<mode>_i387"
[(set (match_operand:XF 0 "register_operand" "=f,f")
(match_operator:XF 3 "binary_fp_operator"
[(float:XF (match_operand:SI 1 "nonimmediate_operand" "m,?r"))
[(float:XF (match_operand:X87MODEI12 1 "nonimmediate_operand" "m,?r"))
(match_operand:XF 2 "register_operand" "0,0")]))]
"TARGET_80387 && TARGET_USE_FIOP"
"TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP"
"* return which_alternative ? \"#\" : output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:XF 3 "mult_operator" "")
@ -14460,14 +14464,14 @@
]
(const_string "fop")))
(set_attr "fp_int_src" "true")
(set_attr "mode" "SI")])
(set_attr "mode" "<MODE>")])
(define_insn "*fop_xf_3_i387"
(define_insn "*fop_xf_3<mode>_i387"
[(set (match_operand:XF 0 "register_operand" "=f,f")
(match_operator:XF 3 "binary_fp_operator"
[(match_operand:XF 1 "register_operand" "0,0")
(float:XF (match_operand:SI 2 "nonimmediate_operand" "m,?r"))]))]
"TARGET_80387 && TARGET_USE_FIOP"
(float:XF (match_operand:X87MODEI12 2 "nonimmediate_operand" "m,?r"))]))]
"TARGET_80387 && TARGET_USE_<MODE>MODE_FIOP"
"* return which_alternative ? \"#\" : output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:XF 3 "mult_operator" "")
@ -14477,7 +14481,7 @@
]
(const_string "fop")))
(set_attr "fp_int_src" "true")
(set_attr "mode" "SI")])
(set_attr "mode" "<MODE>")])
(define_insn "*fop_xf_4_i387"
[(set (match_operand:XF 0 "register_operand" "=f,f")
@ -14533,7 +14537,7 @@
(define_split
[(set (match_operand 0 "register_operand" "")
(match_operator 3 "binary_fp_operator"
[(float (match_operand:SI 1 "register_operand" ""))
[(float (match_operand:X87MODEI12 1 "register_operand" ""))
(match_operand 2 "register_operand" "")]))]
"TARGET_80387 && reload_completed
&& FLOAT_MODE_P (GET_MODE (operands[0]))"
@ -14554,7 +14558,7 @@
[(set (match_operand 0 "register_operand" "")
(match_operator 3 "binary_fp_operator"
[(match_operand 1 "register_operand" "")
(float (match_operand:SI 2 "register_operand" ""))]))]
(float (match_operand:X87MODEI12 2 "register_operand" ""))]))]
"TARGET_80387 && reload_completed
&& FLOAT_MODE_P (GET_MODE (operands[0]))"
[(const_int 0)]