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| author | Torbjorn Granlund <tege@gnu.org> | 1993-01-07 21:46:47 +0000 |
|---|---|---|
| committer | Torbjorn Granlund <tege@gnu.org> | 1993-01-07 21:46:47 +0000 |
| commit | 7bc7d45a2588adaa1a1b7783519d7fd07d4026f1 (patch) | |
| tree | 78a1aa1e012b104835ce81e9bd816d703551c4a0 /gcc | |
| parent | 1d01c1768e892478f600ea4f7dae7f333470b064 (diff) | |
| download | gcc-7bc7d45a2588adaa1a1b7783519d7fd07d4026f1.zip gcc-7bc7d45a2588adaa1a1b7783519d7fd07d4026f1.tar.gz gcc-7bc7d45a2588adaa1a1b7783519d7fd07d4026f1.tar.bz2 | |
(__udiv_w_sdiv): Replace hard-coded constants 31 with (SI_TYPE_SIZE - 1).
From-SVN: r3146
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/libgcc2.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index f644c8c..42cc2fb 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -284,7 +284,7 @@ __udiv_w_sdiv (rp, a1, a0, d) if ((SItype) d >= 0) { - if (a1 < d - a1 - (a0 >> 31)) + if (a1 < d - a1 - (a0 >> (SI_TYPE_SIZE - 1))) { /* dividend, divisor, and quotient are nonnegative */ sdiv_qrnnd (q, r, a1, a0, d); @@ -292,18 +292,18 @@ __udiv_w_sdiv (rp, a1, a0, d) else { /* Compute c1*2^32 + c0 = a1*2^32 + a0 - 2^31*d */ - sub_ddmmss (c1, c0, a1, a0, d >> 1, d << 31); + sub_ddmmss (c1, c0, a1, a0, d >> 1, d << (SI_TYPE_SIZE - 1)); /* Divide (c1*2^32 + c0) by d */ sdiv_qrnnd (q, r, c1, c0, d); /* Add 2^31 to quotient */ - q += (USItype) 1 << 31; + q += (USItype) 1 << (SI_TYPE_SIZE - 1); } } else { b1 = d >> 1; /* d/2, between 2^30 and 2^31 - 1 */ c1 = a1 >> 1; /* A/2 */ - c0 = (a1 << 31) + (a0 >> 1); + c0 = (a1 << (SI_TYPE_SIZE - 1)) + (a0 >> 1); if (a1 < b1) /* A < 2^32*b1, so A/2 < 2^31*b1 */ { |