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authorRoland McGrath <roland@gnu.org>2003-04-11 22:11:44 +0000
committerRoland McGrath <roland@gnu.org>2003-04-11 22:11:44 +0000
commit9fb0cae85c1266abff645b831b7070113c89d0aa (patch)
tree7d1f1220534f31e7bb854f3c2a46e7122a377928 /sysdeps
parentb35fce97f8d4a2963af866cb4801245d0f47d3ac (diff)
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* string/test-strcmp.c (do_random_tests): Test whether return value
has been promoted to wordsize if the ABI requires caller to do so. * string/test-strncmp.c (do_random_tests): Likewise. * string/test-memcmp.c (do_random_tests): Likewise. * sysdeps/powerpc/powerpc64/strcmp.S (strcmp): Sign extend rRTN before returning.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/powerpc/powerpc64/strcmp.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/strcmp.S b/sysdeps/powerpc/powerpc64/strcmp.S
index 71c6d867b7..4fb31931c6 100644
--- a/sysdeps/powerpc/powerpc64/strcmp.S
+++ b/sysdeps/powerpc/powerpc64/strcmp.S
@@ -85,6 +85,7 @@ L(endstring):
addi rNEG, rNEG, 7
cmpw cr1, rNEG, rBITDIF
sub rRTN, rWORD1, rWORD2
+ extsw rRTN, rRTN
bgelr+ cr1
L(equal):
li rRTN, 0
@@ -97,9 +98,11 @@ L(different):
extsw. rBITDIF,rBITDIF /* propagate sign for bgelr */
sub rRTN, rWORD1, rWORD2
+ extsw rRTN, rRTN
bgelr+
L(highbit):
ori rRTN, rWORD2, 1
+ extsw rRTN, rRTN
/* GKM FIXME: check high bounds. */
blr
@@ -124,10 +127,12 @@ L(u1): cmpwi cr1, rWORD1, 0
cmpw rWORD1, rWORD2
bne+ cr1, L(u0)
L(u3): sub rRTN, rWORD1, rWORD2
+ extsw rRTN, rRTN
/* GKM FIXME: check high bounds. */
blr
L(u4): lbz rWORD1, -1(rSTR1)
sub rRTN, rWORD1, rWORD2
+ extsw rRTN, rRTN
/* GKM FIXME: check high bounds. */
blr
END (BP_SYM (strcmp))