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| author | Joern Rennecke <joern.rennecke@embecosm.com> | 2003-11-03 14:14:15 +0000 |
|---|---|---|
| committer | Joern Rennecke <joern.rennecke@embecosm.com> | 2003-11-03 14:14:15 +0000 |
| commit | 794cd17b2840c7b3b1d994f46d04845b91ea8104 (patch) | |
| tree | 058cb8bda0149201bfbd21314e58f8c7bf67f226 /sim/sh/gencode.c | |
| parent | d36d13b0e1a771c8db490a27d8ebc7e470c635b4 (diff) | |
| download | gdb-794cd17b2840c7b3b1d994f46d04845b91ea8104.zip gdb-794cd17b2840c7b3b1d994f46d04845b91ea8104.tar.gz gdb-794cd17b2840c7b3b1d994f46d04845b91ea8104.tar.bz2 | |
* interp.c (fsca_s, fsrra_s): New functions.
* gencode.c (tab): Add entries for fsca and fsrra.
(expand_opcode): Allow variable length n / m fields.
Diffstat (limited to 'sim/sh/gencode.c')
| -rw-r--r-- | sim/sh/gencode.c | 38 |
1 files changed, 32 insertions, 6 deletions
diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c index a4a1c2d..07d62a9 100644 --- a/sim/sh/gencode.c +++ b/sim/sh/gencode.c @@ -449,6 +449,17 @@ op tab[] = }, /* sh4 */ + { "", "", "fsca", "1111nnn011111101", + "if (FPSCR_PR)", + " RAISE_EXCEPTION (SIGILL);", + "else", + " {", + " SET_FR (n, fsca_s (FPUL, &sin));", + " SET_FR (n+1, fsca_s (FPUL, &cos));", + " }", + }, + + /* sh4 */ { "", "", "fschg", "1111001111111101", "SET_FPSCR (GET_FPSCR() ^ FPSCR_MASK_SZ);", }, @@ -458,6 +469,14 @@ op tab[] = "FP_UNARY(n, sqrt);", }, + /* sh4 */ + { "", "", "fsrra", "1111nnnn01111101", + "if (FPSCR_PR)", + " RAISE_EXCEPTION (SIGILL);", + "else", + " SET_FR (n, fsrra_s (FR (n)));", + }, + /* sh2e */ { "", "", "fsub <FREG_M>,<FREG_N>", "1111nnnnmmmm0001", "FP_OP(n, -, m);", @@ -1979,6 +1998,8 @@ expand_opcode (shift, val, i, s) { int m, mv; + if (s[1] - '0' > 1U || !s[2] || ! s[3]) + expand_opcode (shift - 1, val + s[0] - '0', i, s + 1); val |= bton (s) << shift; if (s[2] == '0' || s[2] == '1') expand_opcode (shift - 4, val, i, s + 4); @@ -2003,12 +2024,17 @@ expand_opcode (shift, val, i, s) } case 'n': case 'm': - for (j = 0; j < 16; j++) - { - expand_opcode (shift - 4, val | (j << shift), i, s + 4); - - } - break; + { + int digits = 1; + while (s[digits] == s[0]) + digits++; + for (j = 0; j < (1 << digits); j++) + { + expand_opcode (shift - digits, val | (j << shift), i, + s + digits); + } + break; + } case 'M': /* A1, A0,X0,X1,Y0,Y1,M0,A1G,M1,M1G */ for (j = 5; j < 16; j++) |