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Implement SMLAL

This commit is contained in:
Jeffrey Pfau 2013-05-02 00:29:06 -07:00
parent a80175e689
commit 86c228f2e4
1 changed files with 9 additions and 2 deletions
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11
src/arm/isa-arm.c
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@ -587,8 +587,15 @@ DEFINE_ALU_INSTRUCTION_S_ONLY_ARM(TST, ARM_NEUTRAL_S(cpu->gprs[rn], cpu->shifter
DEFINE_MULTIPLY_INSTRUCTION_ARM(MLA, cpu->gprs[rdHi] = cpu->gprs[rm] * cpu->gprs[rs] + cpu->gprs[rd], ARM_NEUTRAL_S(, , cpu->gprs[rdHi]))
DEFINE_MULTIPLY_INSTRUCTION_ARM(MUL, cpu->gprs[rdHi] = cpu->gprs[rm] * cpu->gprs[rs], ARM_NEUTRAL_S(cpu->gprs[rm], cpu->gprs[rs], cpu->gprs[rd]))
DEFINE_INSTRUCTION_ARM(SMLAL, ARM_STUB)
DEFINE_INSTRUCTION_ARM(SMLALS, ARM_STUB)
DEFINE_MULTIPLY_INSTRUCTION_ARM(SMLAL,
int64_t d = ((int64_t) cpu->gprs[rm]) * ((int64_t) cpu->gprs[rs]);
int32_t dm = cpu->gprs[rd];
int32_t dn = d;
cpu->gprs[rd] = dm + dn;
cpu->gprs[rdHi] = cpu->gprs[rdHi] + (d >> 32) + ARM_CARRY_FROM(dm, dn, cpu->gprs[rd]);,
ARM_NEUTRAL_HI_S(cpu->gprs[rd], cpu->gprs[rdHi]))
DEFINE_MULTIPLY_INSTRUCTION_ARM(SMULL,
int64_t d = ((int64_t) cpu->gprs[rm]) * ((int64_t) cpu->gprs[rs]);
cpu->gprs[rd] = d;