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Bug 834795: Fix Visual C++ compiler warnings about unary minus operator

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applied to unsigned type, by changing -r8_d to 0-r8_d. r=agl,rrelyea.


git-svn-id: svn://10.0.0.236/trunk@264742 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
wtc%google.com 2013-02-15 19:18:45 +00:00
parent b909a112ed
commit 90f4680a9f
1 changed files with 8 additions and 8 deletions
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16
mozilla/security/nss/lib/freebl/ecl/ecp_256.c
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@ -158,10 +158,10 @@ ec_GFp_nistp256_mod(const mp_int *a, mp_int *r, const GFMethod *meth)
MP_ADD_CARRY(r0, r8_d, r0, 0, carry);
MP_ADD_CARRY(r1, 0, r1, carry, carry);
MP_ADD_CARRY(r2, 0, r2, carry, carry);
MP_ADD_CARRY(r3, -r8_d, r3, carry, carry);
MP_ADD_CARRY(r3, 0-r8_d, r3, carry, carry);
MP_ADD_CARRY(r4, MP_DIGIT_MAX, r4, carry, carry);
MP_ADD_CARRY(r5, MP_DIGIT_MAX, r5, carry, carry);
MP_ADD_CARRY(r6, -(r8_d+1), r6, carry, carry);
MP_ADD_CARRY(r6, 0-(r8_d+1), r6, carry, carry);
MP_ADD_CARRY(r7, (r8_d-1), r7, carry, carry);
r8 = carry;
}
@ -172,12 +172,12 @@ ec_GFp_nistp256_mod(const mp_int *a, mp_int *r, const GFMethod *meth)
MP_SUB_BORROW(r0, r8_d, r0, 0, carry);
MP_SUB_BORROW(r1, 0, r1, carry, carry);
MP_SUB_BORROW(r2, 0, r2, carry, carry);
MP_SUB_BORROW(r3, -r8_d, r3, carry, carry);
MP_SUB_BORROW(r3, 0-r8_d, r3, carry, carry);
MP_SUB_BORROW(r4, MP_DIGIT_MAX, r4, carry, carry);
MP_SUB_BORROW(r5, MP_DIGIT_MAX, r5, carry, carry);
MP_SUB_BORROW(r6, -(r8_d+1), r6, carry, carry);
MP_SUB_BORROW(r6, 0-(r8_d+1), r6, carry, carry);
MP_SUB_BORROW(r7, (r8_d-1), r7, carry, carry);
r8 = -carry;
r8 = 0-carry;
}
if (a != r) {
MP_CHECKOK(s_mp_pad(r,8));
@ -289,7 +289,7 @@ ec_GFp_nistp256_mod(const mp_int *a, mp_int *r, const GFMethod *meth)
mp_digit r4_long = r4;
mp_digit r4l = (r4_long << 32);
MP_ADD_CARRY(r0, r4_long, r0, 0, carry);
MP_ADD_CARRY(r1, -r4l, r1, carry, carry);
MP_ADD_CARRY(r1, 0-r4l, r1, carry, carry);
MP_ADD_CARRY(r2, MP_DIGIT_MAX, r2, carry, carry);
MP_ADD_CARRY(r3, r4l-r4_long-1,r3, carry, carry);
r4 = carry;
@ -300,10 +300,10 @@ ec_GFp_nistp256_mod(const mp_int *a, mp_int *r, const GFMethod *meth)
mp_digit r4_long = -r4;
mp_digit r4l = (r4_long << 32);
MP_SUB_BORROW(r0, r4_long, r0, 0, carry);
MP_SUB_BORROW(r1, -r4l, r1, carry, carry);
MP_SUB_BORROW(r1, 0-r4l, r1, carry, carry);
MP_SUB_BORROW(r2, MP_DIGIT_MAX, r2, carry, carry);
MP_SUB_BORROW(r3, r4l-r4_long-1,r3, carry, carry);
r4 = -carry;
r4 = 0-carry;
}
if (a != r) {