First draft of the sh4 port

src/sh4/checks-sh4.h

+// Copyright 2011-2012 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef V8_SH4_CHECKS_SH4_H_
+#define V8_SH4_CHECKS_SH4_H_
+
+#define SH4_CHECK_RANGE_add_imm(imm) ((imm) >= -128 && (imm) <= 127)
+#define FITS_SH4_add_imm(imm) (SH4_CHECK_RANGE_add_imm(imm))
+
+#define SH4_CHECK_RANGE_and_imm_R0(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_and_imm_R0(imm) (SH4_CHECK_RANGE_and_imm_R0(imm))
+
+#define SH4_CHECK_RANGE_andb_imm_dispR0GBR(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_andb_imm_dispR0GBR(imm) \
+        (SH4_CHECK_RANGE_andb_imm_dispR0GBR(imm))
+
+#define SH4_CHECK_RANGE_bra(imm) ((imm) >= -4096 && (imm) <= 4094)
+#define SH4_CHECK_ALIGN_bra(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_bra(imm) (SH4_CHECK_RANGE_bra(imm) && SH4_CHECK_ALIGN_bra(imm))
+
+#define SH4_CHECK_RANGE_bsr(imm) ((imm) >= -4096 && (imm) <= 4094)
+#define SH4_CHECK_ALIGN_bsr(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_bsr(imm) (SH4_CHECK_RANGE_bsr(imm) && SH4_CHECK_ALIGN_bsr(imm))
+
+#define SH4_CHECK_RANGE_bt(imm) ((imm) >= -256 && (imm) <= 254)
+#define SH4_CHECK_ALIGN_bt(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_bt(imm) (SH4_CHECK_RANGE_bt(imm) && SH4_CHECK_ALIGN_bt(imm))
+
+#define SH4_CHECK_RANGE_bf(imm) ((imm) >= -256 && (imm) <= 254)
+#define SH4_CHECK_ALIGN_bf(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_bf(imm) (SH4_CHECK_RANGE_bf(imm) && SH4_CHECK_ALIGN_bf(imm))
+
+#define SH4_CHECK_RANGE_bts(imm) ((imm) >= -256 && (imm) <= 254)
+#define SH4_CHECK_ALIGN_bts(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_bts(imm) (SH4_CHECK_RANGE_bts(imm) && SH4_CHECK_ALIGN_bts(imm))
+
+#define SH4_CHECK_RANGE_bfs(imm) ((imm) >= -256 && (imm) <= 254)
+#define SH4_CHECK_ALIGN_bfs(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_bfs(imm) (SH4_CHECK_RANGE_bfs(imm) && SH4_CHECK_ALIGN_bfs(imm))
+
+#define SH4_CHECK_RANGE_cmpeq_imm_R0(imm) ((imm) >= -128 && (imm) <= 127)
+#define FITS_SH4_cmpeq_imm_R0(imm) (SH4_CHECK_RANGE_cmpeq_imm_R0(imm))
+
+#define SH4_CHECK_RANGE_ldc_bank(imm) ((imm) >= 0 && (imm) <= 7)
+#define FITS_SH4_ldc_bank(imm) (SH4_CHECK_RANGE_ldc_bank(imm))
+
+#define SH4_CHECK_RANGE_ldcl_incRd_bank(imm) ((imm) >= 0 && (imm) <= 7)
+#define FITS_SH4_ldcl_incRd_bank(imm) (SH4_CHECK_RANGE_ldcl_incRd_bank(imm))
+
+#define SH4_CHECK_RANGE_mov_imm(imm) ((imm) >= -128 && (imm) <= 127)
+#define FITS_SH4_mov_imm(imm) (SH4_CHECK_RANGE_mov_imm(imm))
+
+#define SH4_CHECK_RANGE_movb_dispRs_R0(imm) ((imm) >= 0 && (imm) <= 15)
+#define FITS_SH4_movb_dispRs_R0(imm) (SH4_CHECK_RANGE_movb_dispRs_R0(imm))
+
+#define SH4_CHECK_RANGE_movb_dispGBR_R0(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_movb_dispGBR_R0(imm) (SH4_CHECK_RANGE_movb_dispGBR_R0(imm))
+
+#define SH4_CHECK_RANGE_movb_R0_dispRd(imm) ((imm) >= 0 && (imm) <= 15)
+#define FITS_SH4_movb_R0_dispRd(imm) (SH4_CHECK_RANGE_movb_R0_dispRd(imm))
+
+#define SH4_CHECK_RANGE_movb_R0_dispGBR(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_movb_R0_dispGBR(imm) (SH4_CHECK_RANGE_movb_R0_dispGBR(imm))
+
+#define SH4_CHECK_RANGE_movl_dispRd(imm) ((imm) >= 0 && (imm) <= 60)
+#define SH4_CHECK_ALIGN_movl_dispRd(imm) (((imm) & 0x3) == 0)
+#define FITS_SH4_movl_dispRd(imm) \
+        (SH4_CHECK_RANGE_movl_dispRd(imm) && SH4_CHECK_ALIGN_movl_dispRd(imm))
+
+#define SH4_CHECK_RANGE_movl_dispRs(imm) ((imm) >= 0 && (imm) <= 60)
+#define SH4_CHECK_ALIGN_movl_dispRs(imm) (((imm) & 0x3) == 0)
+#define FITS_SH4_movl_dispRs(imm) \
+        (SH4_CHECK_RANGE_movl_dispRs(imm) && SH4_CHECK_ALIGN_movl_dispRs(imm))
+
+#define SH4_CHECK_RANGE_movl_dispGBR_R0(imm) ((imm) >= 0 && (imm) <= 1020)
+#define SH4_CHECK_ALIGN_movl_dispGBR_R0(imm) (((imm) & 0x3) == 0)
+#define FITS_SH4_movl_dispGBR_R0(imm) \
+        (SH4_CHECK_RANGE_movl_dispGBR_R0(imm) && \
+         SH4_CHECK_ALIGN_movl_dispGBR_R0(imm))
+
+#define SH4_CHECK_RANGE_movl_dispPC(imm) ((imm) >= 0 && (imm) <= 1020)
+#define SH4_CHECK_ALIGN_movl_dispPC(imm) (((imm) & 0x3) == 0)
+#define FITS_SH4_movl_dispPC(imm) \
+        (SH4_CHECK_RANGE_movl_dispPC(imm) && SH4_CHECK_ALIGN_movl_dispPC(imm))
+
+#define SH4_CHECK_RANGE_movl_R0_dispGBR(imm) ((imm) >= 0 && (imm) <= 1020)
+#define SH4_CHECK_ALIGN_movl_R0_dispGBR(imm) (((imm) & 0x3) == 0)
+#define FITS_SH4_movl_R0_dispGBR(imm) \
+        (SH4_CHECK_RANGE_movl_R0_dispGBR(imm) && \
+         SH4_CHECK_ALIGN_movl_R0_dispGBR(imm))
+
+#define SH4_CHECK_RANGE_movw_dispRs_R0(imm) ((imm) >= 0 && (imm) <= 30)
+#define SH4_CHECK_ALIGN_movw_dispRs_R0(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_movw_dispRs_R0(imm) \
+        (SH4_CHECK_RANGE_movw_dispRs_R0(imm) && \
+         SH4_CHECK_ALIGN_movw_dispRs_R0(imm))
+
+#define SH4_CHECK_RANGE_movw_dispGBR_R0(imm) ((imm) >= 0 && (imm) <= 510)
+#define SH4_CHECK_ALIGN_movw_dispGBR_R0(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_movw_dispGBR_R0(imm) \
+        (SH4_CHECK_RANGE_movw_dispGBR_R0(imm) && \
+         SH4_CHECK_ALIGN_movw_dispGBR_R0(imm))
+
+#define SH4_CHECK_RANGE_movw_dispPC(imm) ((imm) >= 0 && (imm) <= 510)
+#define SH4_CHECK_ALIGN_movw_dispPC(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_movw_dispPC(imm) \
+        (SH4_CHECK_RANGE_movw_dispPC(imm) && \
+         SH4_CHECK_ALIGN_movw_dispPC(imm))
+
+#define SH4_CHECK_RANGE_movw_R0_dispRd(imm) ((imm) >= 0 && (imm) <= 30)
+#define SH4_CHECK_ALIGN_movw_R0_dispRd(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_movw_R0_dispRd(imm) \
+        (SH4_CHECK_RANGE_movw_R0_dispRd(imm) && \
+         SH4_CHECK_ALIGN_movw_R0_dispRd(imm))
+
+#define SH4_CHECK_RANGE_movw_R0_dispGBR(imm) ((imm) >= 0 && (imm) <= 510)
+#define SH4_CHECK_ALIGN_movw_R0_dispGBR(imm) (((imm) & 0x1) == 0)
+#define FITS_SH4_movw_R0_dispGBR(imm) \
+        (SH4_CHECK_RANGE_movw_R0_dispGBR(imm) && \
+         SH4_CHECK_ALIGN_movw_R0_dispGBR(imm))
+
+#define SH4_CHECK_RANGE_mova_dispPC_R0(imm) ((imm) >= 0 && (imm) <= 1020)
+#define SH4_CHECK_ALIGN_mova_dispPC_R0(imm) (((imm) & 0x3) == 0)
+#define FITS_SH4_mova_dispPC_R0(imm) \
+        (SH4_CHECK_RANGE_mova_dispPC_R0(imm) && \
+         SH4_CHECK_ALIGN_mova_dispPC_R0(imm))
+
+#define SH4_CHECK_RANGE_or_imm_R0(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_or_imm_R0(imm) (SH4_CHECK_RANGE_or_imm_R0(imm))
+
+#define SH4_CHECK_RANGE_orb_imm_dispR0GBR(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_orb_imm_dispR0GBR(imm) (SH4_CHECK_RANGE_orb_imm_dispR0GBR(imm))
+
+#define SH4_CHECK_RANGE_stc_bank(imm) ((imm) >= 0 && (imm) <= 7)
+#define FITS_SH4_stc_bank(imm) (SH4_CHECK_RANGE_stc_bank(imm))
+
+#define SH4_CHECK_RANGE_stcl_bank_decRd(imm) ((imm) >= 0 && (imm) <= 7)
+#define FITS_SH4_stcl_bank_decRd(imm) (SH4_CHECK_RANGE_stcl_bank_decRd(imm))
+
+#define SH4_CHECK_RANGE_trapa_imm(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_trapa_imm(imm) (SH4_CHECK_RANGE_trapa_imm(imm))
+
+#define SH4_CHECK_RANGE_tst_imm_R0(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_tst_imm_R0(imm) (SH4_CHECK_RANGE_tst_imm_R0(imm))
+
+#define SH4_CHECK_RANGE_tstb_imm_dispR0GBR(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_tstb_imm_dispR0GBR(imm) \
+        (SH4_CHECK_RANGE_tstb_imm_dispR0GBR(imm))
+
+#define SH4_CHECK_RANGE_xor_imm_R0(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_xor_imm_R0(imm) (SH4_CHECK_RANGE_xor_imm_R0(imm))
+
+#define SH4_CHECK_RANGE_xorb_imm_dispR0GBR(imm) ((imm) >= 0 && (imm) <= 255)
+#define FITS_SH4_xorb_imm_dispR0GBR(imm) \
+        (SH4_CHECK_RANGE_xorb_imm_dispR0GBR(imm))
+
+#endif  // V8_SH4_CHECKS_SH4_H_