Skip to content

R
riscv-gcc-1
Commit f192bf8b by David Edelsohn Committed by Michael Meissner
Options

Add patch from Edelsohn 

From-SVN: r15918
parent 2ea844d3
Showing with 116 additions and 19 deletions
gcc/ChangeLog
Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
* rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
PPC601.
(umulsidi3,umulsi3_highpart): Ditto.
(smulsi3_highpart_no_mq): Add !TARGET_POWER.
Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
* alpha.c (final_prescan_insn): Gut, remove and transform to ...
......
gcc/config/rs6000/rs6000.md
......@@ -1388,14 +1388,6 @@
"divs %0,%1,%2"
[(set_attr "type" "idiv")])
(define_insn ""
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(div:SI (match_operand:SI 1 "gpc_reg_operand" "r")
(match_operand:SI 2 "gpc_reg_operand" "r")))]
"TARGET_POWERPC"
"divw %0,%1,%2"
[(set_attr "type" "idiv")])
(define_expand "udivsi3"
[(set (match_operand:SI 0 "gpc_reg_operand" "")
(udiv:SI (match_operand:SI 1 "gpc_reg_operand" "")
......@@ -1411,13 +1403,27 @@
emit_move_insn (operands[0], gen_rtx (REG, SImode, 3));
DONE;
}
else if (TARGET_POWER)
{
emit_insn (gen_udivsi3_mq (operands[0], operands[1], operands[2]));
DONE;
}
}")
(define_insn ""
(define_insn "udivsi3_mq"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(udiv:SI (match_operand:SI 1 "gpc_reg_operand" "r")
(match_operand:SI 2 "gpc_reg_operand" "r")))
(clobber (match_scratch:SI 3 "=q"))]
"TARGET_POWERPC && TARGET_POWER"
"divwu %0,%1,%2"
[(set_attr "type" "idiv")])
(define_insn "*udivsi3_no_mq"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(udiv:SI (match_operand:SI 1 "gpc_reg_operand" "r")
(match_operand:SI 2 "gpc_reg_operand" "r")))]
"TARGET_POWERPC"
"TARGET_POWERPC && ! TARGET_POWER"
"divwu %0,%1,%2"
[(set_attr "type" "idiv")])
......@@ -1436,7 +1442,14 @@
&& exact_log2 (INTVAL (operands[2])) >= 0)
;
else if (TARGET_POWERPC)
operands[2] = force_reg (SImode, operands[2]);
{
operands[2] = force_reg (SImode, operands[2]);
if (TARGET_POWER)
{
emit_insn (gen_divsi3_mq (operands[0], operands[1], operands[2]));
DONE;
}
}
else if (TARGET_POWER)
FAIL;
else
......@@ -1449,6 +1462,23 @@
}
}")
(define_insn "divsi3_mq"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(div:SI (match_operand:SI 1 "gpc_reg_operand" "r")
(match_operand:SI 2 "gpc_reg_operand" "r")))
(clobber (match_scratch:SI 3 "=q"))]
"TARGET_POWERPC && TARGET_POWER"
"divw %0,%1,%2"
[(set_attr "type" "idiv")])
(define_insn "*divsi3_no_mq"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(div:SI (match_operand:SI 1 "gpc_reg_operand" "r")
(match_operand:SI 2 "gpc_reg_operand" "r")))]
"TARGET_POWERPC && ! TARGET_POWER"
"divw %0,%1,%2"
[(set_attr "type" "idiv")])
(define_expand "modsi3"
[(use (match_operand:SI 0 "gpc_reg_operand" ""))
(use (match_operand:SI 1 "gpc_reg_operand" ""))
......@@ -4020,11 +4050,11 @@
[(set_attr "type" "imul")
(set_attr "length" "8")])
(define_insn "*mulsidi3_powerpc"
(define_insn "*mulsidi3_no_mq"
[(set (match_operand:DI 0 "gpc_reg_operand" "=&r")
(mult:DI (sign_extend:DI (match_operand:SI 1 "gpc_reg_operand" "%r"))
(sign_extend:DI (match_operand:SI 2 "gpc_reg_operand" "r"))))]
"TARGET_POWERPC && ! TARGET_POWERPC64"
"TARGET_POWERPC && ! TARGET_POWER && ! TARGET_POWERPC64"
"*
{
return (WORDS_BIG_ENDIAN)
......@@ -4054,11 +4084,40 @@
operands[4] = operand_subword (operands[0], 1 - endian, 0, DImode);
}")
(define_insn "umulsidi3"
(define_expand "umulsidi3"
[(set (match_operand:DI 0 "gpc_reg_operand" "")
(mult:DI (zero_extend:DI (match_operand:SI 1 "gpc_reg_operand" ""))
(zero_extend:DI (match_operand:SI 2 "gpc_reg_operand" ""))))]
"TARGET_POWERPC && ! TARGET_POWERPC64"
"
{
if (TARGET_POWER)
{
emit_insn (gen_umulsidi3_mq (operands[0], operands[1], operands[2]));
DONE;
}
}")
(define_insn "umulsidi3_mq"
[(set (match_operand:DI 0 "gpc_reg_operand" "=&r")
(mult:DI (zero_extend:DI (match_operand:SI 1 "gpc_reg_operand" "%r"))
(zero_extend:DI (match_operand:SI 2 "gpc_reg_operand" "r"))))
(clobber (match_scratch:SI 3 "=q"))]
"TARGET_POWERPC && TARGET_POWER"
"*
{
return (WORDS_BIG_ENDIAN)
? \"mulhwu %0,%1,%2\;mullw %L0,%1,%2\"
: \"mulhwu %L0,%1,%2\;mullw %0,%1,%2\";
}"
[(set_attr "type" "imul")
(set_attr "length" "8")])
(define_insn "*umulsidi3_no_mq"
[(set (match_operand:DI 0 "gpc_reg_operand" "=&r")
(mult:DI (zero_extend:DI (match_operand:SI 1 "gpc_reg_operand" "%r"))
(zero_extend:DI (match_operand:SI 2 "gpc_reg_operand" "r"))))]
"TARGET_POWERPC && ! TARGET_POWERPC64"
"TARGET_POWERPC && ! TARGET_POWER && ! TARGET_POWERPC64"
"*
{
return (WORDS_BIG_ENDIAN)
......@@ -4127,7 +4186,7 @@
"mul %0,%1,%2"
[(set_attr "type" "imul")])
(define_insn ""
(define_insn "*smulsi3_highpart_no_mq"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(truncate:SI
(lshiftrt:DI (mult:DI (sign_extend:DI
......@@ -4135,11 +4194,42 @@
(sign_extend:DI
(match_operand:SI 2 "gpc_reg_operand" "r")))
(const_int 32))))]
"TARGET_POWERPC"
"TARGET_POWERPC && ! TARGET_POWER"
"mulhw %0,%1,%2"
[(set_attr "type" "imul")])
(define_insn "umulsi3_highpart"
(define_expand "umulsi3_highpart"
[(set (match_operand:SI 0 "gpc_reg_operand" "")
(truncate:SI
(lshiftrt:DI (mult:DI (zero_extend:DI
(match_operand:SI 1 "gpc_reg_operand" ""))
(zero_extend:DI
(match_operand:SI 2 "gpc_reg_operand" "")))
(const_int 32))))]
"TARGET_POWERPC"
"
{
if (TARGET_POWER)
{
emit_insn (gen_umulsi3_highpart_mq (operands[0], operands[1], operands[2]));
DONE;
}
}")
(define_insn "umulsi3_highpart_mq"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(truncate:SI
(lshiftrt:DI (mult:DI (zero_extend:DI
(match_operand:SI 1 "gpc_reg_operand" "%r"))
(zero_extend:DI
(match_operand:SI 2 "gpc_reg_operand" "r")))
(const_int 32))))
(clobber (match_scratch:SI 3 "=q"))]
"TARGET_POWERPC && TARGET_POWER"
"mulhwu %0,%1,%2"
[(set_attr "type" "imul")])
(define_insn "*umulsi3_highpart_no_mq"
[(set (match_operand:SI 0 "gpc_reg_operand" "=r")
(truncate:SI
(lshiftrt:DI (mult:DI (zero_extend:DI
......@@ -4147,7 +4237,7 @@
(zero_extend:DI
(match_operand:SI 2 "gpc_reg_operand" "r")))
(const_int 32))))]
"TARGET_POWERPC"
"TARGET_POWERPC && ! TARGET_POWER"
"mulhwu %0,%1,%2"
[(set_attr "type" "imul")])
......
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