[Gmp-commit] /var/hg/gmp-5.0: (SQR_BASECASE_MAX): Set safely from SQR_TOOM2_T...

[mercurial at gmplib.org]

details:   /var/hg/gmp-5.0/rev/5860df7ea802
changeset: 13531:5860df7ea802
user:      Torbjorn Granlund <tege at gmplib.org>
date:      Tue Jan 31 11:21:22 2012 +0100
description:
(SQR_BASECASE_MAX): Set safely from SQR_TOOM2_THRESHOLD.

diffstat:

 ChangeLog              |  5 +++++
 mpn/generic/powm_sec.c |  4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diffs (33 lines):

diff -r 7e81d4a47403 -r 5860df7ea802 ChangeLog
--- a/ChangeLog	Mon Jan 30 16:31:12 2012 +0100
+++ b/ChangeLog	Tue Jan 31 11:21:22 2012 +0100
@@ -1,3 +1,8 @@
+2012-01-31  Torbjorn Granlund  <tege at gmplib.org>
+
+	* mpn/generic/powm_sec.c (SQR_BASECASE_MAX): Set safely from
+	SQR_TOOM2_THRESHOLD.
+
 2012-01-30  Torbjorn Granlund  <tege at gmplib.org>
 
 	* tests/mpz/t-powm.c: Ensure all sizes are seen.
diff -r 7e81d4a47403 -r 5860df7ea802 mpn/generic/powm_sec.c
--- a/mpn/generic/powm_sec.c	Mon Jan 30 16:31:12 2012 +0100
+++ b/mpn/generic/powm_sec.c	Tue Jan 31 11:21:22 2012 +0100
@@ -82,7 +82,7 @@
 
 #if ! HAVE_NATIVE_mpn_sqr_basecase
 /* The limit of the generic code is SQR_TOOM2_THRESHOLD.  */
-#define SQR_BASECASE_MAX  SQR_TOOM2_THRESHOLD
+#define SQR_BASECASE_MAX  (SQR_TOOM2_THRESHOLD - 1)
 #endif
 
 #if HAVE_NATIVE_mpn_sqr_basecase
@@ -91,7 +91,7 @@
    mpn_sqr_basecase, it comes from SQR_TOOM2_THRESHOLD_MAX in the assembly
    file.  An assembly mpn_sqr_basecase that does not define it, should allow
    any size.  */
-#define SQR_BASECASE_MAX  SQR_TOOM2_THRESHOLD
+#define SQR_BASECASE_MAX  (SQR_TOOM2_THRESHOLD - 1)
 #endif
 #endif