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thumb32: Implement STREX variants

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Implements the exclusive store instructions. Now all that remains for
ARMv7 load/stores to be done is the exclusive loads.
This commit is contained in:
Lioncash 2021-04-01 19:18:52 -04:00 • committed by merry
parent d8066b091b
commit 6241ff6be2
4 changed files with 75 additions and 4 deletions
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8
src/frontend/A32/decoder/thumb32.inc
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@ -11,7 +11,7 @@ INST(thumb32_LDMDB, "LDMDB/LDMEA", "1110100100W1nnnniiiiii
//INST(thumb32_RFE_2, "RFE", "1110100110-1--------------------")
// Load/Store Dual, Load/Store Exclusive, Table Branch
//INST(thumb32_STREX, "STREX", "111010000100--------------------")
INST(thumb32_STREX, "STREX", "111010000100nnnnttttddddiiiiiiii")
//INST(thumb32_LDREX, "LDREX", "111010000101--------------------")
INST(thumb32_STRD_imm_1, "STRD (imm)", "11101000U110nnnnttttssssiiiiiiii")
INST(thumb32_STRD_imm_2, "STRD (imm)", "11101001U1W0nnnnttttssssiiiiiiii")
@ -19,9 +19,9 @@ INST(thumb32_LDRD_lit_1, "LDRD (lit)", "11101000U1111111ttttss
INST(thumb32_LDRD_lit_2, "LDRD (lit)", "11101001U1W11111ttttssssiiiiiiii")
INST(thumb32_LDRD_imm_1, "LDRD (imm)", "11101000U111nnnnttttssssiiiiiiii")
INST(thumb32_LDRD_imm_2, "LDRD (imm)", "11101001U1W1nnnnttttssssiiiiiiii")
//INST(thumb32_STREXB, "STREXB", "111010001100------------0100----")
//INST(thumb32_STREXH, "STREXH", "111010001100------------0101----")
//INST(thumb32_STREXD, "STREXD", "111010001100------------0111----")
INST(thumb32_STREXB, "STREXB", "111010001100nnnntttt11110100dddd")
INST(thumb32_STREXH, "STREXH", "111010001100nnnntttt11110101dddd")
INST(thumb32_STREXD, "STREXD", "111010001100nnnnttttuuuu0111dddd")
INST(thumb32_TBB, "TBB", "111010001101nnnn111100000000mmmm")
INST(thumb32_TBH, "TBH", "111010001101nnnn111100000001mmmm")
//INST(thumb32_LDREXB, "LDREXB", "111010001101------------0100----")