-/*
- * local-propagation.c: Local constant, copy and tree propagation.
+/**
+ * \file
+ * Local constant, copy and tree propagation.
*
* To make some sense of the tree mover, read mono/docs/tree-mover.txt
*
*/
#include <config.h>
+#include <mono/utils/mono-compiler.h>
+
#ifndef DISABLE_JIT
#include <string.h>
#include <mono/metadata/debug-helpers.h>
#include <mono/metadata/mempool.h>
#include <mono/metadata/opcodes.h>
+#include <mono/utils/unlocked.h>
#include "mini.h"
#include "ir-emit.h"
ins->inst_imm = power2;
break;
}
+ if (cfg->backend->disable_div_with_mul)
+ break;
allocated_vregs = TRUE;
/*
* Replacement of unsigned division with multiplication,
}
MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, ins->dreg, MONO_LVREG_LS (tmp_regl));
#endif
- mono_jit_stats.optimized_divisions++;
+ UnlockedIncrement (&mono_jit_stats.optimized_divisions);
break;
}
case OP_IDIV_IMM: {
break;
}
+ if (cfg->backend->disable_div_with_mul)
+ break;
/*
* Replacement of signed division with multiplication,
* shifts and additions Hacker's Delight, chapter 10-6.
MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ISHR_UN_IMM, ins->dreg, tmp_regi, SIZEOF_REGISTER * 8 - 1);
MONO_EMIT_NEW_BIALU (cfg, OP_IADD, ins->dreg, ins->dreg, tmp_regi);
#endif
- mono_jit_stats.optimized_divisions++;
+ UnlockedIncrement (&mono_jit_stats.optimized_divisions);
break;
}
}
/* FIXME: Make is_inst_imm a macro */
/* FIXME: Make is_inst_imm take an opcode argument */
/* is_inst_imm is only needed for binops */
- if ((((def->opcode == OP_ICONST) || ((sizeof (gpointer) == 8) && (def->opcode == OP_I8CONST))) &&
+ if ((((def->opcode == OP_ICONST) || ((sizeof (gpointer) == 8) && (def->opcode == OP_I8CONST)) || (def->opcode == OP_PCONST)) &&
(((srcindex == 0) && (ins->sreg2 == -1)) || mono_arch_is_inst_imm (def->inst_c0))) ||
(!MONO_ARCH_USE_FPSTACK && (def->opcode == OP_R8CONST))) {
guint32 opcode2;
/* srcindex == 1 -> binop, ins->sreg2 == -1 -> unop */
- if ((srcindex == 1) && (ins->sreg1 != -1) && defs [ins->sreg1] && (defs [ins->sreg1]->opcode == OP_ICONST) && defs [ins->sreg2]) {
+ if ((srcindex == 1) && (ins->sreg1 != -1) && defs [ins->sreg1] &&
+ ((defs [ins->sreg1]->opcode == OP_ICONST) || defs [ins->sreg1]->opcode == OP_PCONST) &&
+ defs [ins->sreg2]) {
/* Both arguments are constants, perform cfold */
mono_constant_fold_ins (cfg, ins, defs [ins->sreg1], defs [ins->sreg2], TRUE);
} else if ((srcindex == 0) && (ins->sreg2 != -1) && defs [ins->sreg2]) {
dummy_arg1.inst_c0 = 1;
mono_constant_fold_ins (cfg, ins, &dummy_arg1, NULL, TRUE);
+ } else if (srcindex == 0 && ins->opcode == OP_COMPARE && defs [ins->sreg1]->opcode == OP_PCONST && defs [ins->sreg2] && defs [ins->sreg2]->opcode == OP_PCONST) {
+ /* typeof(T) == typeof(..) */
+ mono_constant_fold_ins (cfg, ins, defs [ins->sreg1], defs [ins->sreg2], TRUE);
}
}
//mono_print_code (cfg, "AFTER LOCAL-DEADCE");
}
-#endif /* DISABLE_JIT */
+#else /* !DISABLE_JIT */
+
+MONO_EMPTY_SOURCE_FILE (local_propagation);
+
+#endif /* !DISABLE_JIT */