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riscv-gcc-1
Commit d9f32422 by Jan Hubicka Committed by Jan Hubicka
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i386.md (all HI and QI mode non-move patterns): Conditionize by TARGET_[HQ]IMODE_MATH. 

	* i386.md (all HI and QI mode non-move patterns):  Conditionize
	by TARGET_[HQ]IMODE_MATH.
	* i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
	x86_promote_qi_regs): Declare.
	(TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
	TARGET_PROMOTE_QI_REGS): New macros.
	(PROMOTE_MODE): New macro.
	* i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
	x86_promote_qi_regs): New global variables.

From-SVN: r32588
parent 43bc5f13
Showing with 71 additions and 35 deletions
gcc/ChangeLog
Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
* i386.md (all HI and QI mode non-move patterns): Conditionize
by TARGET_[HQ]IMODE_MATH.
* i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
x86_promote_qi_regs): Declare.
(TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
TARGET_PROMOTE_QI_REGS): New macros.
(PROMOTE_MODE): New macro.
* i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
x86_promote_qi_regs): New global variables.
Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
* calls.c (emit_library_call_value_1): Break out from ...; handle
......
gcc/config/i386/i386.c
......@@ -214,6 +214,10 @@ const int x86_read_modify = ~(m_PENT | m_PPRO);
const int x86_split_long_moves = m_PPRO;
const int x86_promote_QImode = m_K6 | m_PENT | m_386 | m_486;
const int x86_single_stringop = m_386;
const int x86_qimode_math = ~(0);
const int x86_promote_qi_regs = 0;
const int x86_himode_math = ~(m_PPRO);
const int x86_promote_hi_regs = m_PPRO;
#define AT_BP(mode) (gen_rtx_MEM ((mode), hard_frame_pointer_rtx))
......
gcc/config/i386/i386.h
......@@ -163,6 +163,8 @@ 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_read_modify, x86_split_long_moves;
extern const int x86_promote_QImode, x86_single_stringop;
extern const int x86_himode_math, x86_qimode_math, x86_promote_qi_regs;
extern const int x86_promote_hi_regs;
#define TARGET_USE_LEAVE (x86_use_leave & CPUMASK)
#define TARGET_PUSH_MEMORY (x86_push_memory & CPUMASK)
......@@ -186,6 +188,10 @@ extern const int x86_promote_QImode, x86_single_stringop;
#define TARGET_READ_MODIFY (x86_read_modify & CPUMASK)
#define TARGET_PROMOTE_QImode (x86_promote_QImode & CPUMASK)
#define TARGET_SINGLE_STRINGOP (x86_single_stringop & CPUMASK)
#define TARGET_QIMODE_MATH (x86_qimode_math & CPUMASK)
#define TARGET_HIMODE_MATH (x86_himode_math & CPUMASK)
#define TARGET_PROMOTE_QI_REGS (x86_promote_qi_regs & CPUMASK)
#define TARGET_PROMOTE_HI_REGS (x86_promote_hi_regs & CPUMASK)
#define TARGET_STACK_PROBE (target_flags & MASK_STACK_PROBE)
......@@ -1740,6 +1746,19 @@ while (0)
#define PROMOTE_PROTOTYPES 1
/* A macro to update M and UNSIGNEDP when an object whose type is
TYPE and which has the specified mode and signedness is to be
stored in a register. This macro is only called when TYPE is a
scalar type.
On i386 it is sometimes usefull to promote HImode and QImode
quantities to SImode. The choice depends on target type. */
#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
if (((MODE) == HImode && TARGET_PROMOTE_HI_REGS) \
|| ((MODE) == QImode && TARGET_PROMOTE_QI_REGS)) \
(MODE) = SImode;
/* Specify the machine mode that pointers have.
After generation of rtl, the compiler makes no further distinction
between pointers and any other objects of this machine mode. */
......
gcc/config/i386/i386.md
......@@ -900,7 +900,7 @@
[(set (reg:CC 17)
(compare:CC (match_operand:QI 0 "general_operand" "")
(match_operand:QI 1 "general_operand" "")))]
""
"TARGET_QIMODE_MATH"
"
{
if ((GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
......@@ -1400,7 +1400,7 @@
[(set (attr "type")
(cond [(and (eq_attr "alternative" "0")
(eq (symbol_ref "TARGET_PARTIAL_REG_STALL")
(const_int 0)))
(const_int 0)))
(const_string "imov")
(and (eq_attr "alternative" "1,2")
(match_operand:HI 1 "aligned_operand" ""))
......@@ -3412,7 +3412,7 @@
(plus:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:HI 2 "general_operand" "")))
(clobber (reg:CC 17))])]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (PLUS, HImode, operands); DONE;")
;; %%% After Dave's SUBREG_BYTE stuff goes in, re-enable incb %ah
......@@ -3514,7 +3514,7 @@
(plus:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "general_operand" "")))
(clobber (reg:CC 17))])]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (PLUS, QImode, operands); DONE;")
;; %%% Potential partial reg stall on alternative 2. What to do?
......@@ -3812,7 +3812,7 @@
(minus:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:HI 2 "general_operand" "")))
(clobber (reg:CC 17))])]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (MINUS, HImode, operands); DONE;")
(define_insn "*subhi_1"
......@@ -3853,7 +3853,7 @@
(minus:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "general_operand" "")))
(clobber (reg:CC 17))])]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (MINUS, QImode, operands); DONE;")
(define_insn "*subqi_1"
......@@ -3952,7 +3952,7 @@
(mult:HI (match_operand:HI 1 "register_operand" "")
(match_operand:HI 2 "general_operand" "")))
(clobber (reg:CC 17))])]
""
"TARGET_HIMODE_MATH"
"")
(define_insn "*mulhi3_1"
......@@ -3973,7 +3973,7 @@
(mult:QI (match_operand:QI 1 "register_operand" "%0")
(match_operand:QI 2 "nonimmediate_operand" "qm")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"mul{b}\\t%2"
[(set_attr "type" "imul")])
......@@ -3982,7 +3982,7 @@
(mult:HI (zero_extend:HI (match_operand:QI 1 "register_operand" "%0"))
(zero_extend:HI (match_operand:QI 2 "nonimmediate_operand" "qm"))))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"mul{b}\\t%2"
[(set_attr "type" "imul")])
......@@ -3991,7 +3991,7 @@
(mult:HI (sign_extend:HI (match_operand:QI 1 "register_operand" "%0"))
(sign_extend:HI (match_operand:QI 2 "nonimmediate_operand" "qm"))))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"imul{b}\\t%2"
[(set_attr "type" "imul")])
......@@ -4076,7 +4076,7 @@
(div:QI (match_operand:HI 1 "register_operand" "0")
(match_operand:QI 2 "nonimmediate_operand" "qm")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"idiv{b}\\t%2"
[(set_attr "type" "idiv")
(set_attr "ppro_uops" "few")])
......@@ -4086,7 +4086,7 @@
(udiv:QI (match_operand:HI 1 "register_operand" "0")
(match_operand:QI 2 "nonimmediate_operand" "qm")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"div{b}\\t%2"
[(set_attr "type" "idiv")
(set_attr "ppro_uops" "few")])
......@@ -4206,7 +4206,7 @@
(set (match_operand:HI 3 "register_operand" "=&d")
(mod:HI (match_dup 1) (match_dup 2)))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"cwtd\;idiv{w}\\t%2"
[(set_attr "type" "multi")])
......@@ -4260,7 +4260,7 @@
(umod:HI (match_dup 1) (match_dup 2)))
(use (match_dup 4))
(clobber (reg:CC 17))])]
""
"TARGET_HIMODE_MATH"
"operands[4] = gen_reg_rtx (HImode);")
(define_insn "*udivmodhi_noext"
......@@ -4521,7 +4521,7 @@
(and:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:HI 2 "general_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (AND, HImode, operands); DONE;")
(define_insn "*andhi_1"
......@@ -4581,7 +4581,7 @@
(and:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "general_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (AND, QImode, operands); DONE;")
;; %%% Potential partial reg stall on alternative 2. What to do?
......@@ -4729,7 +4729,7 @@
(ior:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:HI 2 "general_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (IOR, HImode, operands); DONE;")
(define_insn "*iorhi_1"
......@@ -4757,7 +4757,7 @@
(ior:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "general_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (IOR, QImode, operands); DONE;")
;; %%% Potential partial reg stall on alternative 2. What to do?
......@@ -4822,7 +4822,7 @@
(xor:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:HI 2 "general_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (XOR, HImode, operands); DONE;")
(define_insn "*xorhi_1"
......@@ -4850,7 +4850,7 @@
(xor:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "general_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (XOR, QImode, operands); DONE;")
;; %%% Potential partial reg stall on alternative 2. What to do?
......@@ -4977,7 +4977,7 @@
[(parallel [(set (match_operand:HI 0 "nonimmediate_operand" "")
(neg:HI (match_operand:HI 1 "nonimmediate_operand" "")))
(clobber (reg:CC 17))])]
""
"TARGET_HIMODE_MATH"
"ix86_expand_unary_operator (NEG, HImode, operands); DONE;")
(define_insn "*neghi2_1"
......@@ -5012,7 +5012,7 @@
[(parallel [(set (match_operand:QI 0 "nonimmediate_operand" "")
(neg:QI (match_operand:QI 1 "nonimmediate_operand" "")))
(clobber (reg:CC 17))])]
""
"TARGET_QIMODE_MATH"
"ix86_expand_unary_operator (NEG, QImode, operands); DONE;")
(define_insn "*negqi2_1"
......@@ -5442,7 +5442,7 @@
(define_expand "one_cmplhi2"
[(set (match_operand:HI 0 "nonimmediate_operand" "")
(not:HI (match_operand:HI 1 "nonimmediate_operand" "")))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_unary_operator (NOT, HImode, operands); DONE;")
(define_insn "*one_cmplhi2_1"
......@@ -5480,7 +5480,7 @@
(define_expand "one_cmplqi2"
[(set (match_operand:QI 0 "nonimmediate_operand" "")
(not:QI (match_operand:QI 1 "nonimmediate_operand" "")))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_unary_operator (NOT, QImode, operands); DONE;")
(define_insn "*one_cmplqi2_1"
......@@ -5761,7 +5761,7 @@
(ashift:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (ASHIFT, HImode, operands); DONE;")
(define_insn "*ashlhi3_1"
......@@ -5837,7 +5837,7 @@
(ashift:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (ASHIFT, QImode, operands); DONE;")
;; %%% Potential partial reg stall on alternative 2. What to do?
......@@ -6075,7 +6075,7 @@
(lshiftrt:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (ASHIFTRT, HImode, operands); DONE;")
(define_insn "*ashrhi3_1"
......@@ -6110,7 +6110,7 @@
(lshiftrt:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (ASHIFTRT, QImode, operands); DONE;")
(define_insn "*ashrqi3_1"
......@@ -6237,7 +6237,7 @@
(lshiftrt:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (LSHIFTRT, HImode, operands); DONE;")
(define_insn "*lshrhi3_1"
......@@ -6272,7 +6272,7 @@
(lshiftrt:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (LSHIFTRT, QImode, operands); DONE;")
(define_insn "*lshrqi3_1"
......@@ -6328,7 +6328,7 @@
(rotate:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (ROTATE, HImode, operands); DONE;")
(define_insn "*rotlhi3_1"
......@@ -6347,7 +6347,7 @@
(rotate:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (ROTATE, QImode, operands); DONE;")
(define_insn "*rotlqi3_1"
......@@ -6385,7 +6385,7 @@
(rotatert:HI (match_operand:HI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_HIMODE_MATH"
"ix86_expand_binary_operator (ROTATERT, HImode, operands); DONE;")
(define_insn "*rotrhi3"
......@@ -6404,7 +6404,7 @@
(rotatert:QI (match_operand:QI 1 "nonimmediate_operand" "")
(match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC 17))]
""
"TARGET_QIMODE_MATH"
"ix86_expand_binary_operator (ROTATERT, QImode, operands); DONE;")
(define_insn "*rotrqi3_1"
......@@ -8605,6 +8605,7 @@
expanding unless TARGET_INLINE_ALL_STRINGOPS. */
if (TARGET_UNROLL_STRLEN && eoschar == const0_rtx && optimize > 1
&& !TARGET_INLINE_ALL_STRINGOPS
&& !optimize_size
&& (GET_CODE (align) != CONST_INT || INTVAL (align) < 4))
FAIL;
......@@ -8730,7 +8731,7 @@
(if_then_else:HI (match_operand 1 "comparison_operator" "")
(match_operand:HI 2 "nonimmediate_operand" "")
(match_operand:HI 3 "nonimmediate_operand" "")))]
"TARGET_CMOVE"
"TARGET_CMOVE && TARGET_HIMODE_MATH"
"if (!ix86_expand_int_movcc (operands)) FAIL; DONE;")
(define_insn "*movhicc_noc"
......
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