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Implement SUB(2)

This commit is contained in:
Jeffrey Pfau 2013-04-14 03:03:19 -07:00
parent 5be88fe123
commit 53212baee5
1 changed files with 7 additions and 3 deletions
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10
src/isa-thumb.c
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@ -38,6 +38,12 @@ void ThumbStep(struct ARMCore* cpu) {
D = M + N; \
THUMB_ADDITION_S(m, n, D)
#define THUMB_SUBTRACTION(D, M, N) \
int n = N; \
int m = M; \
D = M - N; \
THUMB_SUBTRACTION_S(m, n, D)
#define APPLY(F, ...) F(__VA_ARGS__)
#define COUNT_1(EMITTER, PREFIX, ...) \
@ -166,11 +172,9 @@ DEFINE_DATA_FORM_2_INSTRUCTION_THUMB(SUB, ARM_STUB)
COUNT_3(DEFINE_DATA_FORM_3_INSTRUCTION_EX_THUMB, NAME ## _R, BODY)
DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(ADD2, THUMB_ADDITION(cpu->gprs[rd], cpu->gprs[rd], immediate))
DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(CMP1, int aluOut = cpu->gprs[rd] - immediate; THUMB_SUBTRACTION_S(cpu->gprs[rd], immediate, aluOut))
DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(MOV1, cpu->gprs[rd] = immediate; THUMB_NEUTRAL_S(, , cpu->gprs[rd]))
DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(SUB2, ARM_STUB)
DEFINE_DATA_FORM_3_INSTRUCTION_THUMB(SUB2, THUMB_SUBTRACTION(cpu->gprs[rd], cpu->gprs[rd], immediate))
#define DEFINE_DATA_FORM_5_INSTRUCTION_THUMB(NAME, BODY) \
DEFINE_INSTRUCTION_THUMB(NAME, \