Fix issue with logical operations and small signed constants which turned out

to affect multiple platforms.
This commit is contained in:
David Given 2019-02-13 20:56:10 +01:00
parent eb57db75a4
commit 8200f041c2
4 changed files with 84 additions and 84 deletions

View file

@ -46,7 +46,8 @@ TOKENS
const1 = { INT num; } 1 num. const1 = { INT num; } 1 num.
const2 = { INT num; } 2 num. const2 = { INT num; } 2 num.
smallconst2 = { INT num; } 2 num. smallpconst2 = { INT num; } 2 num. /* Byte-sized positive constant */
smallnconst2 = { INT num; } 2 num. /* Byte-sized negative constant */
label = { ADDR off; } 2 off. label = { ADDR off; } 2 off.
m = { } 2 cost(0,3) "m". m = { } 2 cost(0,3) "m".
@ -55,7 +56,7 @@ SETS
reg1 = reg + lbreg + m. reg1 = reg + lbreg + m.
b_d_h_sp = regpair + stackpointer. b_d_h_sp = regpair + stackpointer.
b_d_h_psw = regpair + psword. b_d_h_psw = regpair + psword.
immediate = smallconst2 + const2 + label. immediate = smallpconst2 + smallnconst2 + const2 + label.
src1 = reg. src1 = reg.
src2 = hl_or_de + const2 + label. src2 = hl_or_de + const2 + label.
src1or2 = src1 + src2. src1or2 = src1 + src2.
@ -226,7 +227,10 @@ gen move %1,%a.2
from hl_or_de yields %1.2 from hl_or_de yields %1.2
from smallconst2 from smallpconst2
yields {const2, %1.num}
from smallnconst2
yields {const2, %1.num} yields {const2, %1.num}
from const2 from const2
@ -243,8 +247,11 @@ PATTERNS
/* Group 1: Load instructions */ /* Group 1: Load instructions */
/*********************************************/ /*********************************************/
pat loc sfit($1, 8) pat loc ufit($1, 8)
yields {smallconst2, $1} yields {smallpconst2, $1}
pat loc sfit($1, 8) && ($1<0)
yields {smallnconst2, $1}
pat loc pat loc
yields {const2, $1} yields {const2, $1}
@ -651,8 +658,8 @@ pat sbi $1==2
yields %2 {const2, 0-%1.num} yields %2 {const2, 0-%1.num}
leaving leaving
adi 2 adi 2
with smallconst2 hl_or_de with smallnconst2 hl_or_de
yields %2 {smallconst2, 0-%1.num} yields %2 {smallpconst2, 0-%1.num}
leaving leaving
adi 2 adi 2
with hl_or_de const2 with hl_or_de const2
@ -1176,14 +1183,27 @@ leaving loc $1 loc $2 cal ".cfu" asp 4+$1 lfr 4
/*****************************************/ /*****************************************/
pat and $1==2 pat and $1==2
with hl_or_de smallconst2 with hl_or_de smallpconst2
uses areg
gen
mov a, %1.2
ani {const1, %2.num & 0xff}
yields a
with smallpconst2 hl_or_de
yields %1 %2
leaving
and 2
with hl_or_de smallnconst2
uses areg uses areg
gen gen
mov a, %1.2 mov a, %1.2
ani {const1, %2.num & 0xff} ani {const1, %2.num & 0xff}
mov %1.2, a mov %1.2, a
mvi %1.1, {const1, 0}
yields %1 yields %1
with smallnconst2 hl_or_de
yields %1 %2
leaving
and 2
with hl_or_de const2 with hl_or_de const2
uses areg uses areg
gen gen
@ -1195,23 +1215,9 @@ pat and $1==2
mov %1.1, a mov %1.1, a
yields %1 yields %1
with const2 hl_or_de with const2 hl_or_de
uses areg yields %1 %2
gen leaving
mov a, %2.2 and 2
ani {const1, %1.num & 0xff}
mov %2.2, a
mov a, %2.1
ani {const1, %1.num >> 8}
mov %2.1, a
yields %2
with smallconst2 hl_or_de
uses areg
gen
mov a, %2.2
ani {const1, %1.num & 0xff}
mov %2.2, a
mvi %2.1, {const1, 0}
yields %2
with hl_or_de hl_or_de with hl_or_de hl_or_de
uses areg uses areg
gen gen
@ -1246,13 +1252,29 @@ pat and !defined($1)
Call {label,".and"} Call {label,".and"}
pat ior $1==2 pat ior $1==2
with hl_or_de smallconst2 with hl_or_de smallpconst2
uses areg uses areg
gen gen
mov a, %1.2 mov a, %1.2
ori {const1, %2.num & 0xff} ori {const1, %2.num & 0xff}
mov %1.2, a mov %1.2, a
yields %1 yields %1
with smallpconst2 hl_or_de
yields %1 %2
leaving
ior 2
with hl_or_de smallnconst2
uses areg
gen
mov a, %1.2
ori {const1, %2.num & 0xff}
mov %1.2, a
move {const1, 0xff}, %1.1
yields %1
with smallnconst2 hl_or_de
yields %1 %2
leaving
ior 2
with hl_or_de const2 with hl_or_de const2
uses areg uses areg
gen gen
@ -1264,22 +1286,9 @@ pat ior $1==2
mov %1.1, a mov %1.1, a
yields %1 yields %1
with const2 hl_or_de with const2 hl_or_de
uses areg yields %1 %2
gen leaving
mov a, %2.2 ior 2
ori {const1, %1.num & 0xff}
mov %2.2, a
mov a, %2.1
ori {const1, %1.num >> 8}
mov %2.1, a
yields %2
with smallconst2 hl_or_de
uses areg
gen
mov a, %2.2
ori {const1, %1.num & 0xff}
mov %2.2, a
yields %2
with hl_or_de hl_or_de with hl_or_de hl_or_de
uses areg uses areg
gen gen
@ -1312,13 +1321,17 @@ kills ALL
gen Call {label,".ior"} gen Call {label,".ior"}
pat xor $1==2 pat xor $1==2
with hl_or_de smallconst2 with hl_or_de smallpconst2
uses areg uses areg
gen gen
mov a, %1.2 mov a, %1.2
xri {const1, %2.num & 0xff} xri {const1, %2.num & 0xff}
mov %1.2, a mov %1.2, a
yields %1 yields %1
with smallpconst2 hl_or_de
yields %1 %2
leaving
xor 2
with hl_or_de const2 with hl_or_de const2
uses areg uses areg
gen gen
@ -1330,22 +1343,9 @@ pat xor $1==2
mov %1.1, a mov %1.1, a
yields %1 yields %1
with const2 hl_or_de with const2 hl_or_de
uses areg yields %1 %2
gen leaving
mov a, %2.2 xor 2
xri {const1, %1.num & 0xff}
mov %2.2, a
mov a, %2.1
xri {const1, %1.num >> 8}
mov %2.1, a
yields %2
with smallconst2 hl_or_de
uses areg
gen
mov a, %2.2
xri {const1, %1.num & 0xff}
mov %2.2, a
yields %2
with hl_or_de hl_or_de with hl_or_de hl_or_de
uses areg uses areg
gen gen

View file

@ -799,26 +799,26 @@ PATTERNS
cost 4; \ cost 4; \
/* reg + const */ /* reg + const */
#define ALUC(name, instr) \ #define ALUC(name, instr, predicate) \
out:(int)reg = name(left:intregorzero, right:CONST.I) \ out:(int)reg = name(left:intregorzero, right:CONST.I) \
when signed_constant(%right, 16) \ when predicate(%right, 16) \
emit instr " %out, %left, $right" \ emit instr " %out, %left, $right" \
cost 4; \ cost 4; \
/* const + reg */ /* const + reg */
#define ALUC_reversed(name, instr) \ #define ALUC_reversed(name, instr, predicate) \
out:(int)reg = name(left:CONST.I, right:intregorzero) \ out:(int)reg = name(left:CONST.I, right:intregorzero) \
when signed_constant(%left, 16) \ when predicate(%left, 16) \
emit instr " %out, %right, $left" \ emit instr " %out, %right, $left" \
cost 4; \ cost 4; \
/* reg + const AND const + reg */ /* reg + const AND const + reg */
#define ALUCC(name, instr) \ #define ALUCC(name, instr, predicate) \
ALUC(name, instr) \ ALUC(name, instr, predicate) \
ALUC_reversed(name, instr) ALUC_reversed(name, instr, predicate)
ALUR(ADD.I, "addu") ALUR(ADD.I, "addu")
ALUCC(ADD.I, "addiu") ALUCC(ADD.I, "addiu", signed_constant)
out:(int)reg = SUB.I(left:intregorzero, right:intregorzero) out:(int)reg = SUB.I(left:intregorzero, right:intregorzero)
emit "subu %out, %left, %right" emit "subu %out, %left, %right"
@ -851,14 +851,14 @@ PATTERNS
ALUR(MUL.I, "mul") ALUR(MUL.I, "mul")
ALUR(ASL.I, "sllv") ALUR(ASL.I, "sllv")
ALUC(ASL.I, "sll") ALUC(ASL.I, "sll", signed_constant)
ALUR(ASR.I, "srav") ALUR(ASR.I, "srav")
ALUC(ASR.I, "sra") ALUC(ASR.I, "sra", signed_constant)
ALUR(LSL.I, "sllv") ALUR(LSL.I, "sllv")
ALUC(LSL.I, "sll") ALUC(LSL.I, "sll", signed_constant)
ALUR(LSR.I, "srlv") ALUR(LSR.I, "srlv")
ALUC(LSR.I, "srl") ALUC(LSR.I, "srl", signed_constant)
out:(int)reg = NEG.I(left:intregorzero) out:(int)reg = NEG.I(left:intregorzero)
emit "subu %out, zero, %left" emit "subu %out, zero, %left"
@ -869,13 +869,13 @@ PATTERNS
cost 4; cost 4;
ALUR(AND.I, "and") ALUR(AND.I, "and")
ALUCC(AND.I, "andi") ALUCC(AND.I, "andi", signed_constant)
ALUR(OR.I, "or") ALUR(OR.I, "or")
ALUCC(OR.I, "ori") ALUCC(OR.I, "ori", unsigned_constant)
ALUR(EOR.I, "xor") ALUR(EOR.I, "xor")
ALUCC(EOR.I, "xori") ALUCC(EOR.I, "xori", unsigned_constant)
out:(int)reg = value:LABEL.I out:(int)reg = value:LABEL.I
emit "lui %out, hi16[$value]" emit "lui %out, hi16[$value]"

View file

@ -1574,10 +1574,10 @@ PATTERNS
yields {OR_RIS, %2, hi(%1.val)} yields {OR_RIS, %2, hi(%1.val)}
with REG CONST_STACK-UCONST2-CONST_HI_ZR with REG CONST_STACK-UCONST2-CONST_HI_ZR
uses reusing %1, REG={OR_RIS, %1, hi(%2.val)} uses reusing %1, REG={OR_RIS, %1, hi(%2.val)}
yields {OR_RC, %1, lo(%2.val)} yields {OR_RC, %a, lo(%2.val)}
with CONST_STACK-UCONST2-CONST_HI_ZR REG with CONST_STACK-UCONST2-CONST_HI_ZR REG
uses reusing %2, REG={OR_RIS, %2, hi(%1.val)} uses reusing %2, REG={OR_RIS, %2, hi(%1.val)}
yields {OR_RC, %2, lo(%1.val)} yields {OR_RC, %a, lo(%1.val)}
pat ior defined($1) /* OR set */ pat ior defined($1) /* OR set */
leaving leaving
@ -1602,10 +1602,10 @@ PATTERNS
yields {XOR_RIS, %2, hi(%1.val)} yields {XOR_RIS, %2, hi(%1.val)}
with REG CONST_STACK-UCONST2-CONST_HI_ZR with REG CONST_STACK-UCONST2-CONST_HI_ZR
uses reusing %1, REG={XOR_RIS, %1, hi(%2.val)} uses reusing %1, REG={XOR_RIS, %1, hi(%2.val)}
yields {XOR_RC, %1, lo(%2.val)} yields {XOR_RC, %a, lo(%2.val)}
with CONST_STACK-UCONST2-CONST_HI_ZR REG with CONST_STACK-UCONST2-CONST_HI_ZR REG
uses reusing %2, REG={XOR_RIS, %2, hi(%1.val)} uses reusing %2, REG={XOR_RIS, %2, hi(%1.val)}
yields {XOR_RC, %2, lo(%1.val)} yields {XOR_RC, %a, lo(%1.val)}
pat xor defined($1) /* XOR set */ pat xor defined($1) /* XOR set */
leaving leaving

View file

@ -11,7 +11,7 @@ one
mone mone
rom -1 rom -1
big big
rom 257 rom 258
/* Or var with var */ /* Or var with var */
@ -27,12 +27,12 @@ big
asp 4 asp 4
1 1
/* Or var with const */ /* Or big var with const */
loe zero loe big
loc 1 loc 1
ior EM_WSIZE ior EM_WSIZE
loc 1 loc 259
cmu EM_WSIZE cmu EM_WSIZE
zeq *2 zeq *2
@ -102,7 +102,7 @@ big
loe big loe big
loc -1 loc -1
ior EM_WSIZE ior EM_WSIZE
loe big loc -1
cmu EM_WSIZE cmu EM_WSIZE
zeq *7 zeq *7