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From: <sv...@va...> - 2014-12-05 18:55:46
|
Author: florian
Date: Fri Dec 5 18:55:39 2014
New Revision: 3030
Log:
Encountering a PFPO insn in a client program while running on a host
that does not have that insn now causes an emulation error.
Previously, it caused a failing assertion which was incorrect.
Modified:
trunk/priv/guest_s390_toIR.c
trunk/priv/main_main.c
trunk/pub/libvex_emnote.h
Modified: trunk/priv/guest_s390_toIR.c
==============================================================================
--- trunk/priv/guest_s390_toIR.c (original)
+++ trunk/priv/guest_s390_toIR.c Fri Dec 5 18:55:39 2014
@@ -7160,7 +7160,6 @@
IRExpr *s390rm;
IRExpr *irrm;
- vassert(s390_host_has_pfpo);
/* The dfp/bfp rounding mode is stored in bits [60:63] of GR 0
when PFPO insn is called. So, extract the bits at [60:63] */
assign(rm_bits, binop(Iop_And32, get_gpr_w1(0), mkU32(0xf)));
@@ -7254,7 +7253,10 @@
IRTemp dst18 = newTemp(Ity_F128);
IRExpr *irrm;
- vassert(s390_host_has_pfpo);
+ if (! s390_host_has_pfpo) {
+ emulation_failure(EmFail_S390X_pfpo);
+ goto done;
+ }
assign(gr0, get_gpr_w1(0));
/* get function code */
@@ -7433,6 +7435,7 @@
s390_cc_thunk_put1d128Z(S390_CC_OP_PFPO_128, src18, gr0);
next_insn_if(binop(Iop_CmpEQ32, mkexpr(fn), mkU32(S390_PFPO_D128_TO_F128)));
+ done:
return "pfpo";
}
Modified: trunk/priv/main_main.c
==============================================================================
--- trunk/priv/main_main.c (original)
+++ trunk/priv/main_main.c Fri Dec 5 18:55:39 2014
@@ -1196,6 +1196,8 @@
return "Instruction stckf is not supported on this host";
case EmFail_S390X_ecag:
return "Instruction ecag is not supported on this host";
+ case EmFail_S390X_pfpo:
+ return "Instruction pfpo is not supported on this host";
case EmFail_S390X_fpext:
return "Encountered an instruction that requires the floating "
"point extension facility.\n"
Modified: trunk/pub/libvex_emnote.h
==============================================================================
--- trunk/pub/libvex_emnote.h (original)
+++ trunk/pub/libvex_emnote.h Fri Dec 5 18:55:39 2014
@@ -103,6 +103,9 @@
/* ecag insn is not supported on this host */
EmFail_S390X_ecag,
+ /* pfpo insn is not supported on this host */
+ EmFail_S390X_pfpo,
+
/* insn needs floating point extension facility which is not
available on this host */
EmFail_S390X_fpext,
|
|
From: <sv...@va...> - 2014-12-05 18:29:45
|
Author: florian
Date: Fri Dec 5 18:29:38 2014
New Revision: 14799
Log:
Update test result following VEX r3029.
Modified:
trunk/none/tests/s390x/fpext_warn.stderr.exp
Modified: trunk/none/tests/s390x/fpext_warn.stderr.exp
==============================================================================
--- trunk/none/tests/s390x/fpext_warn.stderr.exp (original)
+++ trunk/none/tests/s390x/fpext_warn.stderr.exp Fri Dec 5 18:29:38 2014
@@ -1,19 +1,19 @@
Emulation warning: unsupported action:
The specified rounding mode cannot be supported. That
- feature requires the floating point extension facility.
+ feature requires the floating point extension facility
which is not available on this host. Continuing using
the rounding mode from FPC. Results may differ!
at 0x........: main (fpext_warn.c:10)
Emulation warning: unsupported action:
The specified rounding mode cannot be supported. That
- feature requires the floating point extension facility.
+ feature requires the floating point extension facility
which is not available on this host. Continuing using
the rounding mode from FPC. Results may differ!
at 0x........: main (fpext_warn.c:10)
Emulation warning: unsupported action:
The specified rounding mode cannot be supported. That
- feature requires the floating point extension facility.
+ feature requires the floating point extension facility
which is not available on this host. Continuing using
the rounding mode from FPC. Results may differ!
at 0x........: main (fpext_warn.c:10)
|
|
From: <sv...@va...> - 2014-12-05 18:28:37
|
Author: florian
Date: Fri Dec 5 18:28:29 2014
New Revision: 3029
Log:
Fix some verbiage.
Modified:
trunk/priv/main_main.c
Modified: trunk/priv/main_main.c
==============================================================================
--- trunk/priv/main_main.c (original)
+++ trunk/priv/main_main.c Fri Dec 5 18:28:29 2014
@@ -1184,7 +1184,7 @@
return "PPC64 function redirection stack underflow";
case EmWarn_S390X_fpext_rounding:
return "The specified rounding mode cannot be supported. That\n"
- " feature requires the floating point extension facility.\n"
+ " feature requires the floating point extension facility\n"
" which is not available on this host. Continuing using\n"
" the rounding mode from FPC. Results may differ!";
case EmWarn_S390X_invalid_rounding:
@@ -1201,10 +1201,10 @@
"point extension facility.\n"
" That facility is not available on this host";
case EmFail_S390X_invalid_PFPO_rounding_mode:
- return "The rounding mode specified in GPR 0 for PFPO instruction"
+ return "The rounding mode in GPR 0 for the PFPO instruction"
" is invalid";
case EmFail_S390X_invalid_PFPO_function:
- return "The function code specified in GPR 0 for PFPO instruction"
+ return "The function code in GPR 0 for the PFPO instruction"
" is invalid";
default:
vpanic("LibVEX_EmNote_string: unknown warning");
|