Skip to content

R
riscv-gcc-1
Commit 56477c21 by Adrian Straetling Committed by Ulrich Weigand
Options

s390.md ("extend<mode>di2", [...]): Merge. 

2005-12-14  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
	("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
	("*extendqidi2", "*extendqisi2") Merge.
	("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
	("zero_extendhidi2", "zero_extendqidi2"): Merge.
	("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
	Move some patterns to retain partial ordering.

From-SVN: r108515
parent 0101708c
Showing with 82 additions and 131 deletions
gcc/ChangeLog
2005-12-14 Adrian Straetling <straetling@de.ibm.com>
* config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
("*extendqidi2", "*extendqisi2") Merge.
("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
("zero_extendhidi2", "zero_extendqidi2"): Merge.
("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
Move some patterns to retain partial ordering.
2005-12-14 Adrian Straetling <straetling@de.ibm.com>
* config/s390/s390.md ("atype", "length"): Rewrite.
("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
......
gcc/config/s390/s390.md
......@@ -2650,32 +2650,37 @@
[(set_attr "op_type" "RRE,RXY")])
;
; extend(hi|qi)di2 instruction pattern(s).
; extend(hi|qi)(si|di)2 instruction pattern(s).
;
(define_expand "extend<mode>di2"
[(set (match_operand:DI 0 "register_operand" "")
(sign_extend:DI (match_operand:HQI 1 "nonimmediate_operand" "")))]
(define_expand "extend<HQI:mode><DSI:mode>2"
[(set (match_operand:DSI 0 "register_operand" "")
(sign_extend:DSI (match_operand:HQI 1 "nonimmediate_operand" "")))]
""
{
if (!TARGET_64BIT)
if (<DSI:MODE>mode == DImode && !TARGET_64BIT)
{
rtx tmp = gen_reg_rtx (SImode);
emit_insn (gen_extend<mode>si2 (tmp, operands[1]));
emit_insn (gen_extend<HQI:mode>si2 (tmp, operands[1]));
emit_insn (gen_extendsidi2 (operands[0], tmp));
DONE;
}
else if (!TARGET_EXTIMM)
{
rtx bitcount = GEN_INT (GET_MODE_BITSIZE (DImode) -
GET_MODE_BITSIZE (<MODE>mode));
operands[1] = gen_lowpart (DImode, operands[1]);
emit_insn (gen_ashldi3 (operands[0], operands[1], bitcount));
emit_insn (gen_ashrdi3 (operands[0], operands[0], bitcount));
rtx bitcount = GEN_INT (GET_MODE_BITSIZE (<DSI:MODE>mode) -
GET_MODE_BITSIZE (<HQI:MODE>mode));
operands[1] = gen_lowpart (<DSI:MODE>mode, operands[1]);
emit_insn (gen_ashl<DSI:mode>3 (operands[0], operands[1], bitcount));
emit_insn (gen_ashr<DSI:mode>3 (operands[0], operands[0], bitcount));
DONE;
}
})
;
; extendhidi2 instruction pattern(s).
;
(define_insn "*extendhidi2_extimm"
[(set (match_operand:DI 0 "register_operand" "=d,d")
(sign_extend:DI (match_operand:HI 1 "nonimmediate_operand" "d,m")))]
......@@ -2692,60 +2697,10 @@
"lgh\t%0,%1"
[(set_attr "op_type" "RXY")])
(define_insn "*extendqidi2_extimm"
[(set (match_operand:DI 0 "register_operand" "=d,d")
(sign_extend:DI (match_operand:QI 1 "nonimmediate_operand" "d,m")))]
"TARGET_64BIT && TARGET_EXTIMM"
"@
lgbr\t%0,%1
lgb\t%0,%1"
[(set_attr "op_type" "RRE,RXY")])
(define_insn "*extendqidi2"
[(set (match_operand:DI 0 "register_operand" "=d")
(sign_extend:DI (match_operand:QI 1 "memory_operand" "m")))]
"TARGET_64BIT && TARGET_LONG_DISPLACEMENT"
"lgb\t%0,%1"
[(set_attr "op_type" "RXY")])
(define_insn_and_split "*extendqidi2_short_displ"
[(set (match_operand:DI 0 "register_operand" "=d")
(sign_extend:DI (match_operand:QI 1 "s_operand" "Q")))
(clobber (reg:CC CC_REGNUM))]
"TARGET_64BIT && !TARGET_LONG_DISPLACEMENT"
"#"
"&& reload_completed"
[(parallel
[(set (match_dup 0) (unspec:DI [(match_dup 1) (const_int 8)] UNSPEC_ICM))
(clobber (reg:CC CC_REGNUM))])
(parallel
[(set (match_dup 0) (ashiftrt:DI (match_dup 0) (const_int 56)))
(clobber (reg:CC CC_REGNUM))])]
{
operands[1] = adjust_address (operands[1], BLKmode, 0);
set_mem_size (operands[1], GEN_INT (GET_MODE_SIZE (QImode)));
})
;
; extend(hi|qi)si2 instruction pattern(s).
; extendhisi2 instruction pattern(s).
;
(define_expand "extend<mode>si2"
[(set (match_operand:SI 0 "register_operand" "")
(sign_extend:SI (match_operand:HQI 1 "nonimmediate_operand" "")))]
""
{
if (!TARGET_EXTIMM)
{
rtx bitcount = GEN_INT (GET_MODE_BITSIZE(SImode) -
GET_MODE_BITSIZE(<MODE>mode));
operands[1] = gen_lowpart (SImode, operands[1]);
emit_insn (gen_ashlsi3 (operands[0], operands[1], bitcount));
emit_insn (gen_ashrsi3 (operands[0], operands[0], bitcount));
DONE;
}
})
(define_insn "*extendhisi2_extimm"
[(set (match_operand:SI 0 "register_operand" "=d,d,d")
(sign_extend:SI (match_operand:HI 1 "nonimmediate_operand" "d,R,T")))]
......@@ -2765,38 +2720,44 @@
lhy\t%0,%1"
[(set_attr "op_type" "RX,RXY")])
(define_insn "*extendqisi2_extimm"
[(set (match_operand:SI 0 "register_operand" "=d,d")
(sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "d,m")))]
;
; extendqi(si|di)2 instruction pattern(s).
;
(define_insn "*extendqi<mode>2_extimm"
[(set (match_operand:GPR 0 "register_operand" "=d,d")
(sign_extend:GPR (match_operand:QI 1 "nonimmediate_operand" "d,m")))]
"TARGET_EXTIMM"
"@
lbr\t%0,%1
lb\t%0,%1"
l<g>br\t%0,%1
l<g>b\t%0,%1"
[(set_attr "op_type" "RRE,RXY")])
(define_insn "*extendqisi2"
[(set (match_operand:SI 0 "register_operand" "=d")
(sign_extend:SI (match_operand:QI 1 "memory_operand" "m")))]
"TARGET_LONG_DISPLACEMENT && !TARGET_EXTIMM"
"lb\t%0,%1"
(define_insn "*extendqi<mode>2"
[(set (match_operand:GPR 0 "register_operand" "=d")
(sign_extend:GPR (match_operand:QI 1 "memory_operand" "m")))]
"!TARGET_EXTIMM && TARGET_LONG_DISPLACEMENT"
"l<g>b\t%0,%1"
[(set_attr "op_type" "RXY")])
(define_insn_and_split "*extendqisi2_short_displ"
[(set (match_operand:SI 0 "register_operand" "=d")
(sign_extend:SI (match_operand:QI 1 "s_operand" "Q")))
(define_insn_and_split "*extendqi<mode>2_short_displ"
[(set (match_operand:GPR 0 "register_operand" "=d")
(sign_extend:GPR (match_operand:QI 1 "s_operand" "Q")))
(clobber (reg:CC CC_REGNUM))]
"!TARGET_LONG_DISPLACEMENT"
"!TARGET_EXTIMM && !TARGET_LONG_DISPLACEMENT"
"#"
"&& reload_completed"
[(parallel
[(set (match_dup 0) (unspec:SI [(match_dup 1) (const_int 8)] UNSPEC_ICM))
[(set (match_dup 0) (unspec:GPR [(match_dup 1) (const_int 8)] UNSPEC_ICM))
(clobber (reg:CC CC_REGNUM))])
(parallel
[(set (match_dup 0) (ashiftrt:SI (match_dup 0) (const_int 24)))
[(set (match_dup 0) (ashiftrt:GPR (match_dup 0) (match_dup 2)))
(clobber (reg:CC CC_REGNUM))])]
{
operands[1] = adjust_address (operands[1], BLKmode, 0);
set_mem_size (operands[1], GEN_INT (GET_MODE_SIZE (QImode)));
operands[2] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode)
- GET_MODE_BITSIZE (QImode));
})
;
......@@ -2832,49 +2793,6 @@
[(set_attr "op_type" "RRE,RXY")])
;
; zero_extend(hi|qi)di2 instruction pattern(s).
;
(define_expand "zero_extend<mode>di2"
[(set (match_operand:DI 0 "register_operand" "")
(zero_extend:DI (match_operand:HQI 1 "nonimmediate_operand" "")))]
""
{
if (!TARGET_64BIT)
{
rtx tmp = gen_reg_rtx (SImode);
emit_insn (gen_zero_extend<mode>si2 (tmp, operands[1]));
emit_insn (gen_zero_extendsidi2 (operands[0], tmp));
DONE;
}
else if (!TARGET_EXTIMM)
{
rtx bitcount = GEN_INT (GET_MODE_BITSIZE(DImode) -
GET_MODE_BITSIZE(<MODE>mode));
operands[1] = gen_lowpart (DImode, operands[1]);
emit_insn (gen_ashldi3 (operands[0], operands[1], bitcount));
emit_insn (gen_lshrdi3 (operands[0], operands[0], bitcount));
DONE;
}
})
(define_insn "*zero_extend<mode>di2_extimm"
[(set (match_operand:DI 0 "register_operand" "=d,d")
(zero_extend:DI (match_operand:HQI 1 "nonimmediate_operand" "d,m")))]
"TARGET_64BIT && TARGET_EXTIMM"
"@
llg<hc>r\t%0,%1
llg<hc>\t%0,%1"
[(set_attr "op_type" "RRE,RXY")])
(define_insn "*zero_extend<mode>di2"
[(set (match_operand:DI 0 "register_operand" "=d")
(zero_extend:DI (match_operand:HQI 1 "memory_operand" "m")))]
"TARGET_64BIT && !TARGET_EXTIMM"
"llg<hc>\t%0,%1"
[(set_attr "op_type" "RXY")])
;
; LLGT-type instructions (zero-extend from 31 bit to 64 bit).
;
......@@ -2931,9 +2849,32 @@
"")
;
; zero_extend(hi|qi)si2 instruction pattern(s).
; zero_extend(hi|qi)(si|di)2 instruction pattern(s).
;
(define_expand "zero_extend<mode>di2"
[(set (match_operand:DI 0 "register_operand" "")
(zero_extend:DI (match_operand:HQI 1 "nonimmediate_operand" "")))]
""
{
if (!TARGET_64BIT)
{
rtx tmp = gen_reg_rtx (SImode);
emit_insn (gen_zero_extend<mode>si2 (tmp, operands[1]));
emit_insn (gen_zero_extendsidi2 (operands[0], tmp));
DONE;
}
else if (!TARGET_EXTIMM)
{
rtx bitcount = GEN_INT (GET_MODE_BITSIZE(DImode) -
GET_MODE_BITSIZE(<MODE>mode));
operands[1] = gen_lowpart (DImode, operands[1]);
emit_insn (gen_ashldi3 (operands[0], operands[1], bitcount));
emit_insn (gen_lshrdi3 (operands[0], operands[0], bitcount));
DONE;
}
})
(define_expand "zero_extend<mode>si2"
[(set (match_operand:SI 0 "register_operand" "")
(zero_extend:SI (match_operand:HQI 1 "nonimmediate_operand" "")))]
......@@ -2945,21 +2886,21 @@
emit_insn (gen_andsi3 (operands[0], operands[1],
GEN_INT ((1 << GET_MODE_BITSIZE(<MODE>mode)) - 1)));
DONE;
}
}
})
(define_insn "*zero_extend<mode>si2_extimm"
[(set (match_operand:SI 0 "register_operand" "=d,d")
(zero_extend:SI (match_operand:HQI 1 "nonimmediate_operand" "d,m")))]
(define_insn "*zero_extend<HQI:mode><GPR:mode>2_extimm"
[(set (match_operand:GPR 0 "register_operand" "=d,d")
(zero_extend:GPR (match_operand:HQI 1 "nonimmediate_operand" "d,m")))]
"TARGET_EXTIMM"
"@
ll<hc>r\t%0,%1
ll<hc>\t%0,%1"
ll<g><hc>r\t%0,%1
ll<g><hc>\t%0,%1"
[(set_attr "op_type" "RRE,RXY")])
(define_insn "*zero_extend<mode>si2_64"
[(set (match_operand:SI 0 "register_operand" "=d")
(zero_extend:SI (match_operand:HQI 1 "memory_operand" "m")))]
(define_insn "*zero_extend<HQI:mode><GPR:mode>2"
[(set (match_operand:GPR 0 "register_operand" "=d")
(zero_extend:GPR (match_operand:HQI 1 "memory_operand" "m")))]
"TARGET_ZARCH && !TARGET_EXTIMM"
"llg<hc>\t%0,%1"
[(set_attr "op_type" "RXY")])
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment