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i386.md: Delete floating point compare... 

* i386.md: Delete floating point compare, add, subtract,
	multiply, and divide patterns which allowed integer
	operands.
	* i386.c (output_386_binary_op): Delete unused code.
	(output_float_compare): Likewise.

From-SVN: r26123
This commit is contained in:
John Wehle 1999-04-02 11:18:47 +00:00 committed by John Wehle
parent ea5c0a506f
commit 87aa52463b
3 changed files with 18 additions and 222 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
Fri Apr 2 14:12:06 EST 1999 John Wehle (john@feith.com)
* i386.md: Delete floating point compare, add, subtract,
multiply, and divide patterns which allowed integer
operands.
* i386.c (output_386_binary_op): Delete unused code.
(output_float_compare): Likewise.
Fri Apr 2 11:53:37 1999 John Wehle (john@feith.com)
* i386.md (movsf+1, movdf+1, movxf+1): Update constraints

60
gcc/config/i386/i386.c
View File

@ -4187,35 +4187,19 @@ output_387_binary_op (insn, operands)
switch (GET_CODE (operands[3]))
{
case PLUS:
if (GET_MODE_CLASS (GET_MODE (operands[1])) == MODE_INT
|| GET_MODE_CLASS (GET_MODE (operands[2])) == MODE_INT)
base_op = "fiadd";
else
base_op = "fadd";
base_op = "fadd";
break;
case MINUS:
if (GET_MODE_CLASS (GET_MODE (operands[1])) == MODE_INT
|| GET_MODE_CLASS (GET_MODE (operands[2])) == MODE_INT)
base_op = "fisub";
else
base_op = "fsub";
base_op = "fsub";
break;
case MULT:
if (GET_MODE_CLASS (GET_MODE (operands[1])) == MODE_INT
|| GET_MODE_CLASS (GET_MODE (operands[2])) == MODE_INT)
base_op = "fimul";
else
base_op = "fmul";
base_op = "fmul";
break;
case DIV:
if (GET_MODE_CLASS (GET_MODE (operands[1])) == MODE_INT
|| GET_MODE_CLASS (GET_MODE (operands[2])) == MODE_INT)
base_op = "fidiv";
else
base_op = "fdiv";
base_op = "fdiv";
break;
default:
@ -4238,17 +4222,8 @@ output_387_binary_op (insn, operands)
if (GET_CODE (operands[2]) == MEM)
return strcat (buf, AS1 (%z2,%2));
if (NON_STACK_REG_P (operands[1]))
{
output_op_from_reg (operands[1], strcat (buf, AS1 (%z0,%1)));
return "";
}
else if (NON_STACK_REG_P (operands[2]))
{
output_op_from_reg (operands[2], strcat (buf, AS1 (%z0,%1)));
return "";
}
if (! STACK_REG_P (operands[1]) || ! STACK_REG_P (operands[2]))
abort ();
if (find_regno_note (insn, REG_DEAD, REGNO (operands[2])))
{
@ -4271,18 +4246,6 @@ output_387_binary_op (insn, operands)
if (GET_CODE (operands[2]) == MEM)
return strcat (buf, AS1 (%z2,%2));
if (NON_STACK_REG_P (operands[1]))
{
output_op_from_reg (operands[1], strcat (buf, AS1 (r%z0,%1)));
return "";
}
else if (NON_STACK_REG_P (operands[2]))
{
output_op_from_reg (operands[2], strcat (buf, AS1 (%z0,%1)));
return "";
}
if (! STACK_REG_P (operands[1]) || ! STACK_REG_P (operands[2]))
abort ();
@ -4442,24 +4405,19 @@ output_float_compare (insn, operands)
{
static char buf[100];
/* Decide if this is the integer or float compare opcode, or the
unordered float compare. */
/* Decide if this is a float compare or an unordered float compare. */
if (unordered_compare)
strcpy (buf, (cc_status.flags & CC_FCOMI) ? "fucomi" : "fucom");
else if (GET_MODE_CLASS (GET_MODE (operands[1])) == MODE_FLOAT)
strcpy (buf, (cc_status.flags & CC_FCOMI) ? "fcomi" : "fcom");
else
strcpy (buf, "ficom");
strcpy (buf, (cc_status.flags & CC_FCOMI) ? "fcomi" : "fcom");
/* Modify the opcode if the 387 stack is to be popped. */
if (stack_top_dies)
strcat (buf, "p");
if (NON_STACK_REG_P (operands[1]))
output_op_from_reg (operands[1], strcat (buf, AS1 (%z0,%1)));
else if (cc_status.flags & CC_FCOMI)
if (cc_status.flags & CC_FCOMI)
{
output_asm_insn (strcat (buf, AS2 (%z1,%y1,%0)), operands);
return "";

172
gcc/config/i386/i386.md
View File

@ -509,28 +509,6 @@
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(match_operator 2 "VOIDmode_compare_op"
[(match_operand:XF 0 "register_operand" "f")
(float:XF
(match_operand:SI 1 "nonimmediate_operand" "rm"))]))
(clobber (match_scratch:HI 3 "=a"))]
"TARGET_80387"
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(match_operator 2 "VOIDmode_compare_op"
[(float:XF
(match_operand:SI 0 "nonimmediate_operand" "rm"))
(match_operand:XF 1 "register_operand" "f")]))
(clobber (match_scratch:HI 3 "=a"))]
"TARGET_80387"
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(match_operator 2 "VOIDmode_compare_op"
@ -595,28 +573,6 @@
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(match_operator 2 "VOIDmode_compare_op"
[(match_operand:DF 0 "register_operand" "f")
(float:DF
(match_operand:SI 1 "nonimmediate_operand" "rm"))]))
(clobber (match_scratch:HI 3 "=a"))]
"TARGET_80387"
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(match_operator 2 "VOIDmode_compare_op"
[(float:DF
(match_operand:SI 0 "nonimmediate_operand" "rm"))
(match_operand:DF 1 "register_operand" "f")]))
(clobber (match_scratch:HI 3 "=a"))]
"TARGET_80387"
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(match_operator 2 "VOIDmode_compare_op"
@ -690,28 +646,6 @@
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(match_operator 2 "VOIDmode_compare_op"
[(match_operand:SF 0 "register_operand" "f")
(float:SF
(match_operand:SI 1 "nonimmediate_operand" "rm"))]))
(clobber (match_scratch:HI 3 "=a"))]
"TARGET_80387"
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(match_operator 2 "VOIDmode_compare_op"
[(float:SF
(match_operand:SI 0 "nonimmediate_operand" "rm"))
(match_operand:SF 1 "register_operand" "f")]))
(clobber (match_scratch:HI 3 "=a"))]
"TARGET_80387"
"* return output_float_compare (insn, operands);"
[(set_attr "type" "fcompare")])
(define_insn ""
[(set (cc0)
(compare:CCFPEQ (match_operand:SF 0 "register_operand" "f")
@ -6986,9 +6920,7 @@ byte_xor_operation:
;; mulM3 and divM3. There are three patterns for each of DFmode and
;; SFmode. The first is the normal insn, the second the same insn but
;; with one operand a conversion, and the third the same insn but with
;; the other operand a conversion. The conversion may be SFmode or
;; SImode if the target mode DFmode, but only SImode if the target mode
;; is SFmode.
;; the other operand a conversion.
(define_insn ""
[(set (match_operand:DF 0 "register_operand" "=f,f")
@ -7007,23 +6939,6 @@ byte_xor_operation:
)
)])
(define_insn ""
[(set (match_operand:DF 0 "register_operand" "=f")
(match_operator:DF 3 "binary_387_op"
[(float:DF (match_operand:SI 1 "nonimmediate_operand" "rm"))
(match_operand:DF 2 "register_operand" "0")]))]
"TARGET_80387"
"* return output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:DF 3 "is_mul" "")
(const_string "fpmul")
(match_operand:DF 3 "is_div" "")
(const_string "fpdiv")
]
(const_string "fpop")
)
)])
(define_insn ""
[(set (match_operand:XF 0 "register_operand" "=f,f")
(match_operator:XF 3 "binary_387_op"
@ -7041,23 +6956,6 @@ byte_xor_operation:
)
)])
(define_insn ""
[(set (match_operand:XF 0 "register_operand" "=f")
(match_operator:XF 3 "binary_387_op"
[(float:XF (match_operand:SI 1 "nonimmediate_operand" "rm"))
(match_operand:XF 2 "register_operand" "0")]))]
"TARGET_80387"
"* return output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:DF 3 "is_mul" "")
(const_string "fpmul")
(match_operand:DF 3 "is_div" "")
(const_string "fpdiv")
]
(const_string "fpop")
)
)])
(define_insn ""
[(set (match_operand:XF 0 "register_operand" "=f,f")
(match_operator:XF 3 "binary_387_op"
@ -7075,23 +6973,6 @@ byte_xor_operation:
)
)])
(define_insn ""
[(set (match_operand:XF 0 "register_operand" "=f")
(match_operator:XF 3 "binary_387_op"
[(match_operand:XF 1 "register_operand" "0")
(float:XF (match_operand:SI 2 "nonimmediate_operand" "rm"))]))]
"TARGET_80387"
"* return output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:DF 3 "is_mul" "")
(const_string "fpmul")
(match_operand:DF 3 "is_div" "")
(const_string "fpdiv")
]
(const_string "fpop")
)
)])
(define_insn ""
[(set (match_operand:XF 0 "register_operand" "=f,f")
(match_operator:XF 3 "binary_387_op"
@ -7127,23 +7008,6 @@ byte_xor_operation:
)
)])
(define_insn ""
[(set (match_operand:DF 0 "register_operand" "=f")
(match_operator:DF 3 "binary_387_op"
[(match_operand:DF 1 "register_operand" "0")
(float:DF (match_operand:SI 2 "nonimmediate_operand" "rm"))]))]
"TARGET_80387"
"* return output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:DF 3 "is_mul" "")
(const_string "fpmul")
(match_operand:DF 3 "is_div" "")
(const_string "fpdiv")
]
(const_string "fpop")
)
)])
(define_insn ""
[(set (match_operand:DF 0 "register_operand" "=f,f")
(match_operator:DF 3 "binary_387_op"
@ -7178,40 +7042,6 @@ byte_xor_operation:
(const_string "fpop")
)
)])
(define_insn ""
[(set (match_operand:SF 0 "register_operand" "=f")
(match_operator:SF 3 "binary_387_op"
[(float:SF (match_operand:SI 1 "nonimmediate_operand" "rm"))
(match_operand:SF 2 "register_operand" "0")]))]
"TARGET_80387"
"* return output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:DF 3 "is_mul" "")
(const_string "fpmul")
(match_operand:DF 3 "is_div" "")
(const_string "fpdiv")
]
(const_string "fpop")
)
)])
(define_insn ""
[(set (match_operand:SF 0 "register_operand" "=f")
(match_operator:SF 3 "binary_387_op"
[(match_operand:SF 1 "register_operand" "0")
(float:SF (match_operand:SI 2 "nonimmediate_operand" "rm"))]))]
"TARGET_80387"
"* return output_387_binary_op (insn, operands);"
[(set (attr "type")
(cond [(match_operand:DF 3 "is_mul" "")
(const_string "fpmul")
(match_operand:DF 3 "is_div" "")
(const_string "fpdiv")
]
(const_string "fpop")
)
)])
(define_expand "strlensi"
[(parallel [(set (match_dup 4)