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Fix for 32-bit x86, was generating setcc CC,%dh instead of %dl.

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i.e. force use of ecx & edx -- though it was fine in 64-bit mode, of course
This commit is contained in:
gbeauche 2006-07-17 07:34:33 +00:00
parent e07e2196e3
commit c8a273332f
1 changed files with 30 additions and 26 deletions
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56
SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-jit.cpp
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@ -451,19 +451,21 @@ bool powerpc_jit::gen_mmx_arith_c(int mnemo, int vD, int vA, int vB, bool Rc)
// Record CR6 (vD contains the result of the CMP instruction)
void powerpc_jit::gen_sse_record_cr6(int vD)
{
gen_xor_32(REG_T0_ID, REG_T0_ID); // xor %t0,%t0
gen_xor_32(REG_T1_ID, REG_T1_ID); // xor %t1,%t1
gen_insn(X86_INSN_SSE_PS, X86_SSE_MOVMSK, vD, REG_T2_ID); // movmskps %v0,%t2
gen_cmp_32(x86_immediate_operand(0), REG_T2_ID); // cmp $0,%t2
gen_setcc(X86_CC_Z, REG_T0_ID); // sete %t0
gen_cmp_32(x86_immediate_operand(0xf), REG_T2_ID); // cmp $0xf,%t1
gen_setcc(X86_CC_E, REG_T1_ID); // sete %t1
gen_lea_32(x86_memory_operand(0, REG_T0_ID, REG_T1_ID, 4), REG_T2_ID); // %t2 = %t0 + %t1*4
gen_mov_32(x86_memory_operand(xPPC_CR, REG_CPU_ID), REG_T0_ID); // mov $xPPC_CR(%cpu),%t0
gen_shl_32(x86_immediate_operand(5), REG_T2_ID); // %t2 holds new cr6
gen_and_32(x86_immediate_operand(0xffffff0f), REG_T0_ID); // and $0xffffff0f,%t0
gen_or_32(REG_T2_ID, REG_T0_ID); // or %t2,%t0
gen_mov_32(REG_T0_ID, x86_memory_operand(xPPC_CR, REG_CPU_ID)); // mov %t0,$xPPC_CR(%cpu)
// NOTE: %ecx & %edx are caller saved registers and not static allocated at this time
assert(REG_T2_ID != (int)X86_ECX && REG_T2_ID != (int)X86_EDX);
gen_xor_32(X86_ECX, X86_ECX); // xor %t0,%t0
gen_xor_32(X86_EDX, X86_EDX); // xor %t1,%t1
gen_insn(X86_INSN_SSE_PS, X86_SSE_MOVMSK, vD, REG_T2_ID); // movmskps %v0,%t2
gen_cmp_32(x86_immediate_operand(0), REG_T2_ID); // cmp $0,%t2
gen_setcc(X86_CC_Z, X86_CL); // sete %t0
gen_cmp_32(x86_immediate_operand(0xf), REG_T2_ID); // cmp $0xf,%t1
gen_setcc(X86_CC_E, X86_DL); // sete %t1
gen_lea_32(x86_memory_operand(0, X86_ECX, X86_EDX, 4), REG_T2_ID); // %t2 = %t0 + %t1*4
gen_mov_32(x86_memory_operand(xPPC_CR, REG_CPU_ID), X86_ECX); // mov $xPPC_CR(%cpu),%t0
gen_shl_32(x86_immediate_operand(5), REG_T2_ID); // %t2 holds new cr6
gen_and_32(x86_immediate_operand(0xffffff0f), X86_ECX); // and $0xffffff0f,%t0
gen_or_32(X86_ECX, REG_T2_ID); // or %t0,%t2
gen_mov_32(REG_T2_ID, x86_memory_operand(xPPC_CR, REG_CPU_ID)); // mov %t0,$xPPC_CR(%cpu)
}
// Generic SSE arith
@ -523,19 +525,21 @@ bool powerpc_jit::gen_sse_vnmsubfp(int mnemo, int vD, int vA, int vB, int vC)
// Record CR6 (vD contains the result of the CMP instruction)
void powerpc_jit::gen_sse2_record_cr6(int vD)
{
gen_xor_32(REG_T0_ID, REG_T0_ID); // xor %t0,%t0
gen_xor_32(REG_T1_ID, REG_T1_ID); // xor %t1,%t1
gen_pmovmskb(vD, REG_T2_ID); // pmovmskb %v0,%t2
gen_cmp_32(x86_immediate_operand(0), REG_T2_ID); // cmp $0,%t2
gen_setcc(X86_CC_Z, REG_T0_ID); // sete %t0
gen_cmp_32(x86_immediate_operand(0xffff), REG_T2_ID); // cmp $0xffff,%t1
gen_setcc(X86_CC_E, REG_T1_ID); // sete %t1
gen_lea_32(x86_memory_operand(0, REG_T0_ID, REG_T1_ID, 4), REG_T2_ID); // %t2 = %t0 + %t1*4
gen_mov_32(x86_memory_operand(xPPC_CR, REG_CPU_ID), REG_T0_ID); // mov $xPPC_CR(%cpu),%t0
gen_shl_32(x86_immediate_operand(5), REG_T2_ID); // %t2 holds new cr6
gen_and_32(x86_immediate_operand(0xffffff0f), REG_T0_ID); // and $0xffffff0f,%t0
gen_or_32(REG_T2_ID, REG_T0_ID); // or %t2,%t0
gen_mov_32(REG_T0_ID, x86_memory_operand(xPPC_CR, REG_CPU_ID)); // mov %t0,$xPPC_CR(%cpu)
// NOTE: %ecx & %edx are caller saved registers and not static allocated at this time
assert(REG_T2_ID != (int)X86_ECX && REG_T2_ID != (int)X86_EDX);
gen_xor_32(X86_ECX, X86_ECX); // xor %t0,%t0
gen_xor_32(X86_EDX, X86_EDX); // xor %t1,%t1
gen_pmovmskb(vD, REG_T2_ID); // pmovmskb %v0,%t2
gen_cmp_32(x86_immediate_operand(0), REG_T2_ID); // cmp $0,%t2
gen_setcc(X86_CC_Z, X86_CL); // sete %t0
gen_cmp_32(x86_immediate_operand(0xffff), REG_T2_ID); // cmp $0xffff,%t1
gen_setcc(X86_CC_E, X86_EDX); // sete %t1
gen_lea_32(x86_memory_operand(0, X86_ECX, X86_EDX, 4), REG_T2_ID); // %t2 = %t0 + %t1*4
gen_mov_32(x86_memory_operand(xPPC_CR, REG_CPU_ID), X86_ECX); // mov $xPPC_CR(%cpu),%t0
gen_shl_32(x86_immediate_operand(5), REG_T2_ID); // %t2 holds new cr6
gen_and_32(x86_immediate_operand(0xffffff0f), X86_ECX); // and $0xffffff0f,%t0
gen_or_32(X86_ECX, REG_T2_ID); // or %t0,%t2
gen_mov_32(REG_T2_ID, x86_memory_operand(xPPC_CR, REG_CPU_ID)); // mov %t0,$xPPC_CR(%cpu)
}
// Generic SSE2 arith