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-rw-r--r--development/gcc5/patches/gcc.66782.diff124
1 files changed, 124 insertions, 0 deletions
diff --git a/development/gcc5/patches/gcc.66782.diff b/development/gcc5/patches/gcc.66782.diff
new file mode 100644
index 0000000000..0743f8853b
--- /dev/null
+++ b/development/gcc5/patches/gcc.66782.diff
@@ -0,0 +1,124 @@
+Index: config/i386/i386.md
+===================================================================
+--- config/i386/i386.md (revision 225539)
++++ config/i386/i386.md (working copy)
+@@ -108,6 +108,7 @@
+ UNSPEC_LD_MPIC ; load_macho_picbase
+ UNSPEC_TRUNC_NOOP
+ UNSPEC_DIV_ALREADY_SPLIT
++ UNSPEC_MS_TO_SYSV_CALL
+ UNSPEC_PAUSE
+ UNSPEC_LEA_ADDR
+ UNSPEC_XBEGIN_ABORT
+@@ -11584,6 +11585,15 @@
+ "* return ix86_output_call_insn (insn, operands[0]);"
+ [(set_attr "type" "call")])
+
++(define_insn "*call_rex64_ms_sysv"
++ [(match_parallel 2 "call_rex64_ms_sysv_operation"
++ [(call (mem:QI (match_operand:DI 0 "call_insn_operand" "rBwBz"))
++ (match_operand 1))
++ (unspec [(const_int 0)] UNSPEC_MS_TO_SYSV_CALL)])]
++ "TARGET_64BIT && !SIBLING_CALL_P (insn)"
++ "* return ix86_output_call_insn (insn, operands[0]);"
++ [(set_attr "type" "call")])
++
+ (define_insn "*sibcall"
+ [(call (mem:QI (match_operand:W 0 "sibcall_insn_operand" "UBsBz"))
+ (match_operand 1))]
+@@ -11808,6 +11818,16 @@
+ (match_dup 3)))
+ (unspec [(const_int 0)] UNSPEC_PEEPSIB)])])
+
++(define_insn "*call_value_rex64_ms_sysv"
++ [(match_parallel 3 "call_rex64_ms_sysv_operation"
++ [(set (match_operand 0)
++ (call (mem:QI (match_operand:DI 1 "call_insn_operand" "rBwBz"))
++ (match_operand 2)))
++ (unspec [(const_int 0)] UNSPEC_MS_TO_SYSV_CALL)])]
++ "TARGET_64BIT && !SIBLING_CALL_P (insn)"
++ "* return ix86_output_call_insn (insn, operands[1]);"
++ [(set_attr "type" "callv")])
++
+ (define_expand "call_value_pop"
+ [(parallel [(set (match_operand 0)
+ (call (match_operand:QI 1)
+Index: config/i386/predicates.md
+===================================================================
+--- config/i386/predicates.md (revision 225533)
++++ config/i386/predicates.md (working copy)
+@@ -616,6 +616,36 @@
+ && XINT (XEXP (op, 0), 1) == UNSPEC_GOTPCREL);
+ })
+
++;; Return true if OP is a call from MS ABI to SYSV ABI function.
++(define_predicate "call_rex64_ms_sysv_operation"
++ (match_code "parallel")
++{
++ unsigned creg_size = ARRAY_SIZE (x86_64_ms_sysv_extra_clobbered_registers);
++ unsigned i;
++
++ if ((unsigned) XVECLEN (op, 0) != creg_size + 2)
++ return false;
++
++ for (i = 0; i < creg_size; i++)
++ {
++ rtx elt = XVECEXP (op, 0, i+2);
++ enum machine_mode mode;
++ unsigned regno;
++
++ if (GET_CODE (elt) != CLOBBER
++ || GET_CODE (SET_DEST (elt)) != REG)
++ return false;
++
++ regno = x86_64_ms_sysv_extra_clobbered_registers[i];
++ mode = SSE_REGNO_P (regno) ? TImode : DImode;
++
++ if (GET_MODE (SET_DEST (elt)) != mode
++ || REGNO (SET_DEST (elt)) != regno)
++ return false;
++ }
++ return true;
++})
++
+ ;; Match exactly zero.
+ (define_predicate "const0_operand"
+ (match_code "const_int,const_wide_int,const_double,const_vector")
+Index: config/i386/i386.c
+===================================================================
+--- config/i386/i386.c (revision 225533)
++++ config/i386/i386.c (working copy)
+@@ -25639,7 +25639,9 @@
+ rtx callarg2,
+ rtx pop, bool sibcall)
+ {
+- rtx vec[3];
++ unsigned int const cregs_size
++ = ARRAY_SIZE (x86_64_ms_sysv_extra_clobbered_registers);
++ rtx vec[3 + cregs_size];
+ rtx use = NULL, call;
+ unsigned int vec_len = 0;
+
+@@ -25742,16 +25744,18 @@
+ if (TARGET_64BIT_MS_ABI
+ && (!callarg2 || INTVAL (callarg2) != -2))
+ {
+- int const cregs_size
+- = ARRAY_SIZE (x86_64_ms_sysv_extra_clobbered_registers);
+- int i;
++ unsigned i;
+
++ vec[vec_len++] = gen_rtx_UNSPEC (VOIDmode, gen_rtvec (1, const0_rtx),
++ UNSPEC_MS_TO_SYSV_CALL);
++
+ for (i = 0; i < cregs_size; i++)
+ {
+ int regno = x86_64_ms_sysv_extra_clobbered_registers[i];
+ machine_mode mode = SSE_REGNO_P (regno) ? TImode : DImode;
+
+- clobber_reg (&use, gen_rtx_REG (mode, regno));
++ vec[vec_len++]
++ = gen_rtx_CLOBBER (VOIDmode, gen_rtx_REG (mode, regno));
+ }
+ }
+