Revision b9c18f56
| b/tcg/tcg.c | ||
|---|---|---|
| 1122 | 1122 |
dead_temps[arg] = 1; |
| 1123 | 1123 |
} |
| 1124 | 1124 |
|
| 1125 |
/* globals are live (they may be used by the call) */ |
|
| 1126 |
memset(dead_temps, 0, s->nb_globals); |
|
| 1127 |
|
|
| 1125 |
if (!(call_flags & TCG_CALL_CONST)) {
|
|
| 1126 |
/* globals are live (they may be used by the call) */ |
|
| 1127 |
memset(dead_temps, 0, s->nb_globals); |
|
| 1128 |
} |
|
| 1129 |
|
|
| 1128 | 1130 |
/* input args are live */ |
| 1129 | 1131 |
dead_iargs = 0; |
| 1130 | 1132 |
for(i = 0; i < nb_iargs; i++) {
|
| ... | ... | |
| 1821 | 1823 |
|
| 1822 | 1824 |
/* store globals and free associated registers (we assume the call |
| 1823 | 1825 |
can modify any global. */ |
| 1824 |
save_globals(s, allocated_regs); |
|
| 1826 |
if (!(flags & TCG_CALL_CONST)) {
|
|
| 1827 |
save_globals(s, allocated_regs); |
|
| 1828 |
} |
|
| 1825 | 1829 |
|
| 1826 | 1830 |
tcg_out_op(s, opc, &func_arg, &const_func_arg); |
| 1827 | 1831 |
|
| b/tcg/tcg.h | ||
|---|---|---|
| 178 | 178 |
and cannot raise exceptions. Hence a call to a pure function can be |
| 179 | 179 |
safely suppressed if the return value is not used. */ |
| 180 | 180 |
#define TCG_CALL_PURE 0x0010 |
| 181 |
/* A const function only reads its arguments and does not use TCG |
|
| 182 |
globals variables. Hence a call to such a function does not |
|
| 183 |
save TCG globals variabes back to their canonical location. */ |
|
| 184 |
#define TCG_CALL_CONST 0x0020 |
|
| 181 | 185 |
|
| 182 | 186 |
/* used to align parameters */ |
| 183 | 187 |
#define TCG_CALL_DUMMY_TCGV MAKE_TCGV_I32(-1) |
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