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-rw-r--r--gcc/config/i386/i386.md145
1 files changed, 135 insertions, 10 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 751d46b9ac6..a518aaeaca9 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -488,7 +488,7 @@
[(set_attr "length" "128")
(set_attr "type" "multi")])
-(define_code_macro plusminus [plus minus])
+(define_code_iterator plusminus [plus minus])
;; Base name for define_insn and insn mnemonic.
(define_code_attr addsub [(plus "add") (minus "sub")])
@@ -497,7 +497,7 @@
(define_code_attr comm [(plus "%") (minus "")])
;; All single word integer modes.
-(define_mode_macro SWI [QI HI SI (DI "TARGET_64BIT")])
+(define_mode_iterator SWI [QI HI SI (DI "TARGET_64BIT")])
;; Instruction suffix for integer modes.
(define_mode_attr imodesuffix [(QI "b") (HI "w") (SI "l") (DI "q")])
@@ -516,22 +516,22 @@
(DI "x86_64_general_operand")])
;; All x87 floating point modes
-(define_mode_macro X87MODEF [SF DF XF])
+(define_mode_iterator X87MODEF [SF DF XF])
;; x87 SFmode and DFMode floating point modes
-(define_mode_macro X87MODEF12 [SF DF])
+(define_mode_iterator X87MODEF12 [SF DF])
;; All integer modes handled by x87 fisttp operator.
-(define_mode_macro X87MODEI [HI SI DI])
+(define_mode_iterator X87MODEI [HI SI DI])
;; All integer modes handled by integer x87 operators.
-(define_mode_macro X87MODEI12 [HI SI])
+(define_mode_iterator X87MODEI12 [HI SI])
;; All SSE floating point modes
-(define_mode_macro SSEMODEF [SF DF])
+(define_mode_iterator SSEMODEF [SF DF])
;; All integer modes handled by SSE cvtts?2si* operators.
-(define_mode_macro SSEMODEI24 [SI DI])
+(define_mode_iterator SSEMODEI24 [SI DI])
;; SSE asm suffix for floating point modes
(define_mode_attr ssemodefsuffix [(SF "s") (DF "d")])
@@ -925,6 +925,34 @@
]
(const_string "XF")))])
+(define_insn_and_split "*cmpfp_0_cc"
+ [(set (reg:CCFP FLAGS_REG)
+ (compare:CCFP
+ (match_operand 1 "register_operand" "f")
+ (match_operand 2 "const0_operand" "X")))
+ (clobber (match_operand:HI 0 "register_operand" "=a"))]
+ "X87_FLOAT_MODE_P (GET_MODE (operands[1]))
+ && TARGET_SAHF && !TARGET_CMOVE
+ && GET_MODE (operands[1]) == GET_MODE (operands[2])"
+ "#"
+ "&& reload_completed"
+ [(set (match_dup 0)
+ (unspec:HI
+ [(compare:CCFP (match_dup 1)(match_dup 2))]
+ UNSPEC_FNSTSW))
+ (set (reg:CC FLAGS_REG)
+ (unspec:CC [(match_dup 0)] UNSPEC_SAHF))]
+ ""
+ [(set_attr "type" "multi")
+ (set_attr "unit" "i387")
+ (set (attr "mode")
+ (cond [(match_operand:SF 1 "" "")
+ (const_string "SF")
+ (match_operand:DF 1 "" "")
+ (const_string "DF")
+ ]
+ (const_string "XF")))])
+
(define_insn "*cmpfp_xf"
[(set (match_operand:HI 0 "register_operand" "=a")
(unspec:HI
@@ -938,6 +966,27 @@
(set_attr "unit" "i387")
(set_attr "mode" "XF")])
+(define_insn_and_split "*cmpfp_xf_cc"
+ [(set (reg:CCFP FLAGS_REG)
+ (compare:CCFP
+ (match_operand:XF 1 "register_operand" "f")
+ (match_operand:XF 2 "register_operand" "f")))
+ (clobber (match_operand:HI 0 "register_operand" "=a"))]
+ "TARGET_80387
+ && TARGET_SAHF && !TARGET_CMOVE"
+ "#"
+ "&& reload_completed"
+ [(set (match_dup 0)
+ (unspec:HI
+ [(compare:CCFP (match_dup 1)(match_dup 2))]
+ UNSPEC_FNSTSW))
+ (set (reg:CC FLAGS_REG)
+ (unspec:CC [(match_dup 0)] UNSPEC_SAHF))]
+ ""
+ [(set_attr "type" "multi")
+ (set_attr "unit" "i387")
+ (set_attr "mode" "XF")])
+
(define_insn "*cmpfp_<mode>"
[(set (match_operand:HI 0 "register_operand" "=a")
(unspec:HI
@@ -951,6 +1000,27 @@
(set_attr "unit" "i387")
(set_attr "mode" "<MODE>")])
+(define_insn_and_split "*cmpfp_<mode>_cc"
+ [(set (reg:CCFP FLAGS_REG)
+ (compare:CCFP
+ (match_operand:X87MODEF12 1 "register_operand" "f")
+ (match_operand:X87MODEF12 2 "nonimmediate_operand" "fm")))
+ (clobber (match_operand:HI 0 "register_operand" "=a"))]
+ "TARGET_80387
+ && TARGET_SAHF && !TARGET_CMOVE"
+ "#"
+ "&& reload_completed"
+ [(set (match_dup 0)
+ (unspec:HI
+ [(compare:CCFP (match_dup 1)(match_dup 2))]
+ UNSPEC_FNSTSW))
+ (set (reg:CC FLAGS_REG)
+ (unspec:CC [(match_dup 0)] UNSPEC_SAHF))]
+ ""
+ [(set_attr "type" "multi")
+ (set_attr "unit" "i387")
+ (set_attr "mode" "<MODE>")])
+
(define_insn "*cmpfp_u"
[(set (match_operand:HI 0 "register_operand" "=a")
(unspec:HI
@@ -971,6 +1041,34 @@
]
(const_string "XF")))])
+(define_insn_and_split "*cmpfp_u_cc"
+ [(set (reg:CCFPU FLAGS_REG)
+ (compare:CCFPU
+ (match_operand 1 "register_operand" "f")
+ (match_operand 2 "register_operand" "f")))
+ (clobber (match_operand:HI 0 "register_operand" "=a"))]
+ "X87_FLOAT_MODE_P (GET_MODE (operands[1]))
+ && TARGET_SAHF && !TARGET_CMOVE
+ && GET_MODE (operands[1]) == GET_MODE (operands[2])"
+ "#"
+ "&& reload_completed"
+ [(set (match_dup 0)
+ (unspec:HI
+ [(compare:CCFPU (match_dup 1)(match_dup 2))]
+ UNSPEC_FNSTSW))
+ (set (reg:CC FLAGS_REG)
+ (unspec:CC [(match_dup 0)] UNSPEC_SAHF))]
+ ""
+ [(set_attr "type" "multi")
+ (set_attr "unit" "i387")
+ (set (attr "mode")
+ (cond [(match_operand:SF 1 "" "")
+ (const_string "SF")
+ (match_operand:DF 1 "" "")
+ (const_string "DF")
+ ]
+ (const_string "XF")))])
+
(define_insn "*cmpfp_<mode>"
[(set (match_operand:HI 0 "register_operand" "=a")
(unspec:HI
@@ -988,6 +1086,33 @@
(set_attr "fp_int_src" "true")
(set_attr "mode" "<MODE>")])
+(define_insn_and_split "*cmpfp_<mode>_cc"
+ [(set (reg:CCFP FLAGS_REG)
+ (compare:CCFP
+ (match_operand 1 "register_operand" "f")
+ (match_operator 3 "float_operator"
+ [(match_operand:X87MODEI12 2 "memory_operand" "m")])))
+ (clobber (match_operand:HI 0 "register_operand" "=a"))]
+ "X87_FLOAT_MODE_P (GET_MODE (operands[1]))
+ && TARGET_SAHF && !TARGET_CMOVE
+ && TARGET_USE_<MODE>MODE_FIOP
+ && (GET_MODE (operands [3]) == GET_MODE (operands[1]))"
+ "#"
+ "&& reload_completed"
+ [(set (match_dup 0)
+ (unspec:HI
+ [(compare:CCFP
+ (match_dup 1)
+ (match_op_dup 3 [(match_dup 2)]))]
+ UNSPEC_FNSTSW))
+ (set (reg:CC FLAGS_REG)
+ (unspec:CC [(match_dup 0)] UNSPEC_SAHF))]
+ ""
+ [(set_attr "type" "multi")
+ (set_attr "unit" "i387")
+ (set_attr "fp_int_src" "true")
+ (set_attr "mode" "<MODE>")])
+
;; FP compares, step 2
;; Move the fpsw to ax.
@@ -10085,7 +10210,7 @@
;; Copysign instructions
-(define_mode_macro CSGNMODE [SF DF TF])
+(define_mode_iterator CSGNMODE [SF DF TF])
(define_mode_attr CSGNVMODE [(SF "V4SF") (DF "V2DF") (TF "TF")])
(define_expand "copysign<mode>3"
@@ -21009,7 +21134,7 @@
}
[(set_attr "type" "multi")])
-(define_mode_macro CRC32MODE [QI HI SI])
+(define_mode_iterator CRC32MODE [QI HI SI])
(define_mode_attr crc32modesuffix [(QI "b") (HI "w") (SI "l")])
(define_mode_attr crc32modeconstraint [(QI "qm") (HI "rm") (SI "rm")])
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-22 05:34:15 +0000