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| author | Ulrich Weigand <uweigand@de.ibm.com> | 2004-07-14 13:09:09 +0000 |
|---|---|---|
| committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2004-07-14 13:09:09 +0000 |
| commit | 220a826e6d1fa35c9b64abea2f4dbc662ecb5126 (patch) | |
| tree | 8c1149be9d6bd70d5d9e66146dc0e63270631f23 /gcc | |
| parent | bb732af86378799aa21ead613328f261480aad14 (diff) | |
| download | gcc-220a826e6d1fa35c9b64abea2f4dbc662ecb5126.zip gcc-220a826e6d1fa35c9b64abea2f4dbc662ecb5126.tar.gz gcc-220a826e6d1fa35c9b64abea2f4dbc662ecb5126.tar.bz2 | |
s390.md ("udivsi3"): Ensure trap is generated for division by zero.
gcc/ChangeLog:
* config/s390/s390.md ("udivsi3"): Ensure trap is generated
for division by zero.
("umodsi3"): Likewise.
libjava/ChangeLog:
* configure.host (DIVIDESPEC) [s390*-*-*]: Set to
-fno-use-divide-subroutine.
* include/s390-signal.h: Include <ucontext.h> and <limits.h>.
(HANDLE_FPE): Define.
(SIGNAL_HANDLER): Change third argument to ucontext_t *.
(struct old_s390_kernel_sigaction): Likewise for k_sa_handler.
(HANDLE_DIVIDE_OVERFLOW): Define.
From-SVN: r84683
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/s390/s390.md | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ef5f5b6..98278ae 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-07-14 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.md ("udivsi3"): Ensure trap is generated + for division by zero. + ("umodsi3"): Likewise. + 2004-07-14 Richard Sandiford <rsandifo@redhat.com> * config/mips/mips.c (mips_output_move): When generating mips16 code, diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md index 1a53e71..8a95d0c 100644 --- a/gcc/config/s390/s390.md +++ b/gcc/config/s390/s390.md @@ -4990,7 +4990,7 @@ emit_move_insn (operands[0], const0_rtx); emit_insn (gen_cmpsi (operands[2], operands[1])); emit_jump_insn (gen_bgtu (label3)); - emit_insn (gen_cmpsi (operands[2], const1_rtx)); + emit_insn (gen_cmpsi (operands[2], const0_rtx)); emit_jump_insn (gen_blt (label2)); emit_insn (gen_cmpsi (operands[2], const1_rtx)); emit_jump_insn (gen_beq (label1)); @@ -5082,7 +5082,7 @@ emit_move_insn(operands[0], operands[1]); emit_insn (gen_cmpsi (operands[2], operands[1])); emit_jump_insn (gen_bgtu (label3)); - emit_insn (gen_cmpsi (operands[2], const1_rtx)); + emit_insn (gen_cmpsi (operands[2], const0_rtx)); emit_jump_insn (gen_blt (label2)); emit_insn (gen_cmpsi (operands[2], const1_rtx)); emit_jump_insn (gen_beq (label1)); |