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m32c.c (m32c_const_ok_for_constraint_p): Add ImB constraint for single-bit-clear in lower byte of HI constant... 

* config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add ImB
constraint for single-bit-clear in lower byte of HI constant, vs
Imb which just ignores the upper byte.
* config/m32c/predicates.md (m32c_1mask8_operand): Use it.
* config/m32c/bitops.md (andhi3_16, andhi3_24): Use it.
(iorhi3_16): Check for single bit set, not single bit clear.

From-SVN: r141747
This commit is contained in:
DJ Delorie 2008-11-10 14:37:20 -05:00 committed by DJ Delorie
parent 6f03c42c33
commit 600e668e9f
4 changed files with 18 additions and 4 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2008-11-10 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add ImB
constraint for single-bit-clear in lower byte of HI constant, vs
Imb which just ignores the upper byte.
* config/m32c/predicates.md (m32c_1mask8_operand): Use it.
* config/m32c/bitops.md (andhi3_16, andhi3_24): Use it.
(iorhi3_16): Check for single bit set, not single bit clear.
2008-11-10 Janis Johnson <janis187@us.ibm.com>
* doc/sourcebuild.texi (Torture Tests): Fix formatting for bullets.

6
gcc/config/m32c/bitops.md
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@ -98,7 +98,7 @@
(define_insn "andhi3_16"
[(set (match_operand:HI 0 "mra_operand" "=Sp,Sp,Rhi,RhiSd,??Rmm,RhiSd,??Rmm")
(and:HI (match_operand:HI 1 "mra_operand" "%0,0,0,0,0,0,0")
(match_operand:HI 2 "mrai_operand" "Imb,Imw,Imw,iRhiSd,?Rmm,?Rmm,iRhiSd")))]
(match_operand:HI 2 "mrai_operand" "ImB,Imw,Imw,iRhiSd,?Rmm,?Rmm,iRhiSd")))]
"TARGET_A16"
"@
@ -159,7 +159,7 @@
(define_insn "iorhi3_16"
[(set (match_operand:HI 0 "mra_operand" "=Sp,Sp,Rhi,RhiSd,RhiSd,??Rmm,??Rmm")
(ior:HI (match_operand:HI 1 "mra_operand" "%0,0,0,0,0,0,0")
(match_operand:HI 2 "mrai_operand" "Imb,Imw,Ilw,iRhiSd,?Rmm,iRhiSd,?Rmm")))]
(match_operand:HI 2 "mrai_operand" "Ilb,Ilw,Ilw,iRhiSd,?Rmm,iRhiSd,?Rmm")))]
"TARGET_A16"
"@
bset %B2,%0
@ -192,7 +192,7 @@
(define_insn "andhi3_24"
[(set (match_operand:HI 0 "mra_operand" "=Sd,Sd,Rqi,Rqi,RhiSd,??Rmm,RhiSd,??Rmm")
(and:HI (match_operand:HI 1 "mra_operand" "%0,0,0,0,0,0,0,0")
(match_operand:HI 2 "mrai_operand" "Imb,Imw,Imb,Imw,iRhiSd,?Rmm,?Rmm,iRhiSd")))]
(match_operand:HI 2 "mrai_operand" "ImB,Imw,ImB,Imw,iRhiSd,?Rmm,?Rmm,iRhiSd")))]
"TARGET_A24"
"@
bclr\t%B2,%0

5
gcc/config/m32c/m32c.c
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@ -949,6 +949,11 @@ m32c_const_ok_for_constraint_p (HOST_WIDE_INT value,
int b = exact_log2 ((value ^ 0xff) & 0xff);
return (b >= 0 && b <= 7);
}
if (memcmp (str, "ImB", 3) == 0)
{
int b = exact_log2 ((value ^ 0xffff) & 0xffff);
return (b >= 0 && b <= 7);
}
if (memcmp (str, "Ilw", 3) == 0)
{
int b = exact_log2 (value);

2
gcc/config/m32c/predicates.md
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@ -284,7 +284,7 @@
(define_predicate "m32c_1mask8_operand"
(and (match_operand 0 "const_int_operand")
(match_test "m32c_const_ok_for_constraint_p(INTVAL(op), 'I', \"Imb\")")))
(match_test "m32c_const_ok_for_constraint_p(INTVAL(op), 'I', \"ImB\")")))
(define_predicate "m32c_1mask16_operand"
(and (match_operand 0 "const_int_operand")