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-rw-r--r--tools/add-cfi.i386.awk10
1 files changed, 5 insertions, 5 deletions
diff --git a/tools/add-cfi.i386.awk b/tools/add-cfi.i386.awk
index 5dc87941..231d67ed 100644
--- a/tools/add-cfi.i386.awk
+++ b/tools/add-cfi.i386.awk
@@ -185,12 +185,12 @@ function trashed(register) {
# this does NOT exhaustively check for all possible instructions which could
# overwrite a register value inherited from the caller (just the common ones)
/mov.*,%e(ax|bx|cx|dx|si|di|bp)/ { trashed(get_reg2()) }
-/(add|addl|sub|subl|and|or|xor|lea|sal|sar|shl|shr) %e(ax|bx|cx|dx|si|di|bp),/ {
- trashed(get_reg1())
+/(add|addl|sub|subl|and|or|xor|lea|sal|sar|shl|shr).*,%e(ax|bx|cx|dx|si|di|bp)$/ {
+ trashed(get_reg2())
}
-/^i?mul [^,]*$/ { trashed("eax"); trashed("edx") }
-/^i?mul %e(ax|bx|cx|dx|si|di|bp),/ { trashed(get_reg1()) }
-/^i?div/ { trashed("eax"); trashed("edx") }
+/^i?mul [^,]*$/ { trashed("eax"); trashed("edx") }
+/^i?mul.*,%e(ax|bx|cx|dx|si|di|bp)$/ { trashed(get_reg2()) }
+/^i?div/ { trashed("eax"); trashed("edx") }
/(dec|inc|not|neg|pop) %e(ax|bx|cx|dx|si|di|bp)/ { trashed(get_reg()) }
/cpuid/ { trashed("eax"); trashed("ebx"); trashed("ecx"); trashed("edx") }