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sh4drc: fix SR damage in new CMP implementations (nw)

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This commit is contained in:
arbee 2018-05-15 21:55:18 -04:00
parent 5b533f87d7
commit 732119afb2
1 changed files with 12 additions and 4 deletions
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16
src/devices/cpu/sh/sh4.cpp
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@ -3517,12 +3517,15 @@ bool sh34_base_device::generate_group_15_FDIV(drcuml_block &block, compiler_stat
bool sh34_base_device::generate_group_15_FCMP_EQ(drcuml_block &block, compiler_state &compiler, const opcode_desc *desc, uint16_t opcode, int in_delay_slot, uint32_t ovrpc) bool sh34_base_device::generate_group_15_FCMP_EQ(drcuml_block &block, compiler_state &compiler, const opcode_desc *desc, uint16_t opcode, int in_delay_slot, uint32_t ovrpc)
{ {
UML_MOV(block, I1, 0);
UML_TEST(block, uml::mem(&m_sh2_state->m_fpu_pr), 0); UML_TEST(block, uml::mem(&m_sh2_state->m_fpu_pr), 0);
UML_JMPc(block, COND_Z, compiler.labelnum); UML_JMPc(block, COND_Z, compiler.labelnum);
UML_AND(block, I0, uml::mem(&m_sh2_state->sr), ~SH_T); UML_AND(block, I0, uml::mem(&m_sh2_state->sr), ~SH_T);
UML_FDCMP(block, FPD32(Rm & 14), FPD32(Rn & 14)); UML_FDCMP(block, FPD32(Rm & 14), FPD32(Rn & 14));
UML_MOVc(block, COND_Z, I0, SH_T); UML_MOVc(block, COND_Z, I1, SH_T);
UML_OR(block, I0, I0, I1);
UML_MOV(block, uml::mem(&m_sh2_state->sr), I0); UML_MOV(block, uml::mem(&m_sh2_state->sr), I0);
UML_JMP(block, compiler.labelnum+1); UML_JMP(block, compiler.labelnum+1);
@ -3531,7 +3534,8 @@ bool sh34_base_device::generate_group_15_FCMP_EQ(drcuml_block &block, compiler_s
UML_AND(block, I0, uml::mem(&m_sh2_state->sr), ~SH_T); UML_AND(block, I0, uml::mem(&m_sh2_state->sr), ~SH_T);
UML_FSCMP(block, FPS32(Rm), FPS32(Rn)); UML_FSCMP(block, FPS32(Rm), FPS32(Rn));
UML_MOVc(block, COND_Z, I0, SH_T); UML_MOVc(block, COND_Z, I1, SH_T);
UML_OR(block, I0, I0, I1);
UML_MOV(block, uml::mem(&m_sh2_state->sr), I0); UML_MOV(block, uml::mem(&m_sh2_state->sr), I0);
UML_LABEL(block, compiler.labelnum++); // labelnum+1: UML_LABEL(block, compiler.labelnum++); // labelnum+1:
@ -3540,12 +3544,15 @@ bool sh34_base_device::generate_group_15_FCMP_EQ(drcuml_block &block, compiler_s
bool sh34_base_device::generate_group_15_FCMP_GT(drcuml_block &block, compiler_state &compiler, const opcode_desc *desc, uint16_t opcode, int in_delay_slot, uint32_t ovrpc) bool sh34_base_device::generate_group_15_FCMP_GT(drcuml_block &block, compiler_state &compiler, const opcode_desc *desc, uint16_t opcode, int in_delay_slot, uint32_t ovrpc)
{ {
UML_MOV(block, I1, 0);
UML_TEST(block, uml::mem(&m_sh2_state->m_fpu_pr), 0); UML_TEST(block, uml::mem(&m_sh2_state->m_fpu_pr), 0);
UML_JMPc(block, COND_Z, compiler.labelnum); UML_JMPc(block, COND_Z, compiler.labelnum);
UML_AND(block, I0, uml::mem(&m_sh2_state->sr), ~SH_T); UML_AND(block, I0, uml::mem(&m_sh2_state->sr), ~SH_T);
UML_FDCMP(block, FPD32(Rm & 14), FPD32(Rn & 14)); UML_FDCMP(block, FPD32(Rm & 14), FPD32(Rn & 14));
UML_MOVc(block, COND_C, I0, SH_T); UML_MOVc(block, COND_C, I1, SH_T);
UML_OR(block, I0, I0, I1);
UML_MOV(block, uml::mem(&m_sh2_state->sr), I0); UML_MOV(block, uml::mem(&m_sh2_state->sr), I0);
UML_JMP(block, compiler.labelnum+1); UML_JMP(block, compiler.labelnum+1);
@ -3554,7 +3561,8 @@ bool sh34_base_device::generate_group_15_FCMP_GT(drcuml_block &block, compiler_s
UML_AND(block, I0, uml::mem(&m_sh2_state->sr), ~SH_T); UML_AND(block, I0, uml::mem(&m_sh2_state->sr), ~SH_T);
UML_FSCMP(block, FPS32(Rm), FPS32(Rn)); UML_FSCMP(block, FPS32(Rm), FPS32(Rn));
UML_MOVc(block, COND_C, I0, SH_T); UML_MOVc(block, COND_C, I1, SH_T);
UML_OR(block, I0, I0, I1);
UML_MOV(block, uml::mem(&m_sh2_state->sr), I0); UML_MOV(block, uml::mem(&m_sh2_state->sr), I0);
UML_LABEL(block, compiler.labelnum++); // labelnum+1: UML_LABEL(block, compiler.labelnum++); // labelnum+1: