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hppa: Add initial jit_va_ calls to hppa
* lib/jit_hppa-cpu.c, lib/jit_hppa-fpu.c, lib/jit_hppa.c: Add base support to jit vararg functions to the hppa backend.
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pcpa
parent
6d8f8eb604
commit
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4 changed files with 87 additions and 5 deletions
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@ -1,3 +1,8 @@
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2015-06-19 Paulo Andrade <pcpa@gnu.org>
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* lib/jit_hppa-cpu.c, lib/jit_hppa-fpu.c, lib/jit_hppa.c:
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Add base support to jit vararg functions to the hppa backend.
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2015-06-10 Paulo Andrade <pcpa@gnu.org>
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* lib/jit_ia64-cpu.c, lib/jit_ia64-fpu.c, lib/jit_ia64.c:
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@ -802,6 +802,7 @@ static void _ldi_us(jit_state_t*,jit_int32_t,jit_word_t);
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#define ldxr_us(r0,r1,r2) LDH(r2,r1,r0)
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#define ldxi_us(r0,r1,i0) _ldxi_us(_jit,r0,r1,i0)
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static void _ldxi_us(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t);
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#define ldr(r0,r1) ldr_ui(r0,r1)
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#define ldr_i(r0,r1) ldr_ui(r0,r1)
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#define ldr_ui(r0,r1) LDWI(_R0_REGNO,r1,r0)
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#define ldi_i(r0,i0) ldi_ui(r0,i0)
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@ -919,6 +920,10 @@ static jit_word_t _calli_p(jit_state_t*,jit_word_t);
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static void _prolog(jit_state_t*, jit_node_t*);
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#define epilog(node) _epilog(_jit, node)
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static void _epilog(jit_state_t*, jit_node_t*);
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#define vastart(r0) _vastart(_jit, r0)
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static void _vastart(jit_state_t*, jit_int32_t);
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#define vaarg(r0, r1) _vaarg(_jit, r0, r1)
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static void _vaarg(jit_state_t*, jit_int32_t, jit_int32_t);
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#define patch_at(i,l) _patch_at(_jit,i,l)
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static void _patch_at(jit_state_t*,jit_word_t,jit_word_t);
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#endif
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@ -1666,10 +1671,14 @@ static void
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_subi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
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{
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jit_int32_t reg;
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reg = jit_get_reg(jit_class_gpr);
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movi(rn(reg), i0);
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subr(r0, r1, rn(reg));
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jit_unget_reg(reg);
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if (i0 >= -1023 && i0 <= 1024)
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addi(r0, r1, -i0);
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else {
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reg = jit_get_reg(jit_class_gpr);
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movi(rn(reg), i0);
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subr(r0, r1, rn(reg));
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jit_unget_reg(reg);
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}
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}
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static void
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@ -2688,6 +2697,11 @@ _prolog(jit_state_t *_jit, jit_node_t *node)
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stxi_i(_jitc->function->aoffoff, _FP_REGNO, rn(regno));
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jit_unget_reg(regno);
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}
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if (_jitc->function->self.call & jit_call_varargs) {
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for (regno = 3; regno >= _jitc->function->vagp; --regno)
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stxi(params_offset - regno * 4 - 4, _FP_REGNO, rn(_R26 - regno));
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}
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}
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static void
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@ -2720,6 +2734,25 @@ _epilog(jit_state_t *_jit, jit_node_t *node)
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#endif
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}
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static void
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_vastart(jit_state_t *_jit, jit_int32_t r0)
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{
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/* Initialize stack pointer to the first stack argument. */
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addi(r0, _FP_REGNO, params_offset - _jitc->function->vagp * 4);
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}
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static void
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_vaarg(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
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{
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assert(_jitc->function->self.call & jit_call_varargs);
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/* Update vararg stack pointer. */
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subi(r1, r1, 4);
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/* Load argument. */
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ldr(r0, r1);
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}
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static void
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_patch_at(jit_state_t *_jit, jit_word_t instr, jit_word_t label)
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{
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@ -30,7 +30,8 @@
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#define f39(o,b,x,t) _f39(_jit,o,b,x,t)
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static void _f39(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t);
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#define f40(o,b,x,r) _f40(_jit,o,b,x,r)
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static void _f40(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t);
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static void _f40(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t)
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maybe_unused;
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#define f41(o,b,x,t) _f41(_jit,o,b,x,t)
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static void _f41(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t);
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#define f42(o,b,i,r) _f42(_jit,o,b,i,r)
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@ -486,6 +487,8 @@ static jit_word_t _bcmpi_d(jit_state_t*,jit_word_t,
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#define bunordi_f(i0,r0,i1) bcmpi_f(FCMP_UNORD,i0,r0,i1)
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#define bunordr_d(i0,r0,r1) bcmpr_d(FCMP_UNORD,i0,r0,r1)
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#define bunordi_d(i0,r0,i1) bcmpi_d(FCMP_UNORD,i0,r0,i1)
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#define vaarg_d(r0, r1) _vaarg_d(_jit, r0, r1)
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static void _vaarg_d(jit_state_t*, jit_int32_t, jit_int32_t);
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#endif
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#if CODE
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@ -1013,4 +1016,24 @@ _bcmpi_d(jit_state_t *_jit, jit_word_t c,
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jit_unget_reg(reg);
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return (w);
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}
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static void
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_vaarg_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
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{
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jit_int32_t reg;
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assert(_jitc->function->self.call & jit_call_varargs);
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/* Align pointer if required. */
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reg = jit_get_reg(jit_class_gpr);
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andi(rn(reg), r1, 7);
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subr(r1, r1, rn(reg));
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jit_unget_reg(reg);
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/* Adjust vararg stack pointer. */
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subi(r1, r1, 8);
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/* Load argument. */
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ldr_d(r0, r1);
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}
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#endif
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@ -29,6 +29,11 @@
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# include "jit_hppa-fpu.c"
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#undef PROTO
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/*
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* Types
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*/
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typedef jit_pointer_t jit_va_list;
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/*
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* Prototypes
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*/
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@ -295,6 +300,8 @@ _jit_ellipsis(jit_state_t *_jit)
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else {
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assert(!(_jitc->function->self.call & jit_call_varargs));
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_jitc->function->self.call |= jit_call_varargs;
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_jitc->function->vagp = _jitc->function->self.argi;
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}
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}
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@ -531,6 +538,7 @@ _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u)
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if (jit_arg_reg_p(_jitc->function->call.argi)) {
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jit_movr_f(_F4 - _jitc->function->call.argi, u);
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#if !defined(__hpux)
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/* HP-UX appears to always pass float arguments in gpr registers */
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if (_jitc->function->call.call & jit_call_varargs)
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#endif
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{
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@ -553,6 +561,7 @@ _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u)
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if (jit_arg_reg_p(_jitc->function->call.argi)) {
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jit_movi_f(_F4 - _jitc->function->call.argi, u);
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#if !defined(__hpux)
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/* HP-UX appears to always pass float arguments in gpr registers */
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if (_jitc->function->call.call & jit_call_varargs)
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#endif
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{
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@ -583,6 +592,7 @@ _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u)
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if (jit_arg_reg_p(_jitc->function->call.argi)) {
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jit_movr_d(_F4 - (_jitc->function->call.argi + 1), u);
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#if !defined(__hpux)
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/* HP-UX appears to always pass float arguments in gpr registers */
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if (_jitc->function->call.call & jit_call_varargs)
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#endif
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{
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@ -615,6 +625,7 @@ _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u)
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if (jit_arg_reg_p(_jitc->function->call.argi)) {
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jit_movi_d(_F4 - (_jitc->function->call.argi + 1), u);
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#if !defined(__hpux)
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/* HP-UX appears to always pass float arguments in gpr registers */
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if (_jitc->function->call.call & jit_call_varargs)
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#endif
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{
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@ -1251,9 +1262,19 @@ _emit_code(jit_state_t *_jit)
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epilog(node);
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_jitc->function = NULL;
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break;
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case jit_code_va_start:
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vastart(rn(node->u.w));
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break;
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case jit_code_va_arg:
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vaarg(rn(node->u.w), rn(node->v.w));
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break;
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case jit_code_va_arg_d:
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vaarg_d(rn(node->u.w), rn(node->v.w));
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break;
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case jit_code_live:
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case jit_code_arg:
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case jit_code_arg_f: case jit_code_arg_d:
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case jit_code_va_end:
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break;
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default:
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abort();
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