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re PR target/42113 (Internal Compiler error with -O3, breaking commit known) 

PR target/42113
	* config/alpha/alpha.md (*cmp_sadd_si): Change mode
	of scratch register to DImode.  Split to DImode comparison operator.
	Use SImode subreg of scratch register in the multiplication.
	(*cmp_sadd_sidi): Ditto.
	(*cmp_ssub_si): Ditto.
	(*cmp_ssub_sidi): Ditto.

From-SVN: r157759
This commit is contained in:
Uros Bizjak 2010-03-26 19:45:56 +01:00 committed by Uros Bizjak
parent fb04bb842f
commit c5e43cc45b
2 changed files with 38 additions and 20 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2010-03-26 Uros Bizjak <ubizjak@gmail.com>
PR target/42113
* config/alpha/alpha.md (*cmp_sadd_si): Change mode
of scratch register to DImode. Split to DImode comparison operator.
Use SImode subreg of scratch register in the multiplication.
(*cmp_sadd_sidi): Ditto.
(*cmp_ssub_si): Ditto.
(*cmp_ssub_sidi): Ditto.
2010-03-26 Uros Bizjak <ubizjak@gmail.com>
PR target/43524

48
gcc/config/alpha/alpha.md
View File

@ -4186,20 +4186,22 @@
(match_operand:SI 3 "const48_operand" "I")
(const_int 0))
(match_operand:SI 4 "sext_add_operand" "rIO")))
(clobber (match_scratch:SI 5 "=r"))]
(clobber (match_scratch:DI 5 "=r"))]
""
"#"
""
[(set (match_dup 5)
(match_op_dup:SI 1 [(match_dup 2) (const_int 0)]))
(match_op_dup:DI 1 [(match_dup 2) (const_int 0)]))
(set (match_dup 0)
(plus:SI (mult:SI (match_dup 5) (match_dup 3))
(plus:SI (mult:SI (match_dup 6) (match_dup 3))
(match_dup 4)))]
{
if (can_create_pseudo_p ())
operands[5] = gen_reg_rtx (SImode);
operands[5] = gen_reg_rtx (DImode);
else if (reg_overlap_mentioned_p (operands[5], operands[4]))
operands[5] = operands[0];
operands[5] = gen_lowpart (DImode, operands[0]);
operands[6] = gen_lowpart (SImode, operands[5]);
})
(define_insn_and_split "*cmp_sadd_sidi"
@ -4212,20 +4214,22 @@
(match_operand:SI 3 "const48_operand" "I")
(const_int 0))
(match_operand:SI 4 "sext_add_operand" "rIO"))))
(clobber (match_scratch:SI 5 "=r"))]
(clobber (match_scratch:DI 5 "=r"))]
""
"#"
""
[(set (match_dup 5)
(match_op_dup:SI 1 [(match_dup 2) (const_int 0)]))
(match_op_dup:DI 1 [(match_dup 2) (const_int 0)]))
(set (match_dup 0)
(sign_extend:DI (plus:SI (mult:SI (match_dup 5) (match_dup 3))
(sign_extend:DI (plus:SI (mult:SI (match_dup 6) (match_dup 3))
(match_dup 4))))]
{
if (can_create_pseudo_p ())
operands[5] = gen_reg_rtx (SImode);
operands[5] = gen_reg_rtx (DImode);
else if (reg_overlap_mentioned_p (operands[5], operands[4]))
operands[5] = gen_lowpart (SImode, operands[0]);
operands[5] = operands[0];
operands[6] = gen_lowpart (SImode, operands[5]);
})
(define_insn_and_split "*cmp_ssub_di"
@ -4262,20 +4266,22 @@
(match_operand:SI 3 "const48_operand" "I")
(const_int 0))
(match_operand:SI 4 "reg_or_8bit_operand" "rI")))
(clobber (match_scratch:SI 5 "=r"))]
(clobber (match_scratch:DI 5 "=r"))]
""
"#"
""
[(set (match_dup 5)
(match_op_dup:SI 1 [(match_dup 2) (const_int 0)]))
(match_op_dup:DI 1 [(match_dup 2) (const_int 0)]))
(set (match_dup 0)
(minus:SI (mult:SI (match_dup 5) (match_dup 3))
(minus:SI (mult:SI (match_dup 6) (match_dup 3))
(match_dup 4)))]
{
if (can_create_pseudo_p ())
operands[5] = gen_reg_rtx (SImode);
operands[5] = gen_reg_rtx (DImode);
else if (reg_overlap_mentioned_p (operands[5], operands[4]))
operands[5] = operands[0];
operands[5] = gen_lowpart (DImode, operands[0]);
operands[6] = gen_lowpart (SImode, operands[5]);
})
(define_insn_and_split "*cmp_ssub_sidi"
@ -4288,20 +4294,22 @@
(match_operand:SI 3 "const48_operand" "I")
(const_int 0))
(match_operand:SI 4 "reg_or_8bit_operand" "rI"))))
(clobber (match_scratch:SI 5 "=r"))]
(clobber (match_scratch:DI 5 "=r"))]
""
"#"
""
[(set (match_dup 5)
(match_op_dup:SI 1 [(match_dup 2) (const_int 0)]))
(match_op_dup:DI 1 [(match_dup 2) (const_int 0)]))
(set (match_dup 0)
(sign_extend:DI (minus:SI (mult:SI (match_dup 5) (match_dup 3))
(sign_extend:DI (minus:SI (mult:SI (match_dup 6) (match_dup 3))
(match_dup 4))))]
{
if (can_create_pseudo_p ())
operands[5] = gen_reg_rtx (SImode);
operands[5] = gen_reg_rtx (DImode);
else if (reg_overlap_mentioned_p (operands[5], operands[4]))
operands[5] = gen_lowpart (SImode, operands[0]);
operands[5] = operands[0];
operands[6] = gen_lowpart (SImode, operands[5]);
})
;; Here are the CALL and unconditional branch insns. Calls on NT and OSF