diff options
| author | Ryan Houdek <Sonicadvance1@gmail.com> | 2015-01-22 10:31:22 -0600 |
|---|---|---|
| committer | Ryan Houdek <Sonicadvance1@gmail.com> | 2015-01-22 10:31:22 -0600 |
| commit | bb1ca26c57445c6d66f0016562f21f56efce6ffc (patch) | |
| tree | 012ec1757598f0f6795330a308f2645cd2d742b4 /Source/Core | |
| parent | d27bd9d291a178892674cdffc397b586b37c0f2b (diff) | |
| parent | 85754c63cac812311ccc5eb7a3c74b9f2a4b5490 (diff) | |
Merge pull request #1940 from Sonicadvance1/AArch64_implement_xer
[AArch64] Implement mfspr/mtspr XER routines.
Diffstat (limited to 'Source/Core')
| -rw-r--r-- | Source/Core/Core/PowerPC/JitArm64/JitArm64_SystemRegisters.cpp | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/Source/Core/Core/PowerPC/JitArm64/JitArm64_SystemRegisters.cpp b/Source/Core/Core/PowerPC/JitArm64/JitArm64_SystemRegisters.cpp index 01df60015f..fab8eb7247 100644 --- a/Source/Core/Core/PowerPC/JitArm64/JitArm64_SystemRegisters.cpp +++ b/Source/Core/Core/PowerPC/JitArm64/JitArm64_SystemRegisters.cpp @@ -206,6 +206,18 @@ void JitArm64::mfspr(UGeckoInstruction inst) switch (iIndex) { case SPR_XER: + { + gpr.BindToRegister(inst.RD, false); + ARM64Reg RD = gpr.R(inst.RD); + ARM64Reg WA = gpr.GetReg(); + LDRH(INDEX_UNSIGNED, RD, X29, PPCSTATE_OFF(xer_stringctrl)); + LDRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_ca)); + ORR(RD, RD, WA, ArithOption(WA, ST_LSL, XER_CA_SHIFT)); + LDRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_so_ov)); + ORR(RD, RD, WA, ArithOption(WA, ST_LSL, XER_OV_SHIFT)); + gpr.Unlock(WA); + } + break; case SPR_WPAR: case SPR_DEC: case SPR_TL: @@ -261,18 +273,15 @@ void JitArm64::mtspr(UGeckoInstruction inst) break; case SPR_XER: { - FALLBACK_IF(true); ARM64Reg RD = gpr.R(inst.RD); ARM64Reg WA = gpr.GetReg(); - ARM64Reg mask = gpr.GetReg(); - MOVI2R(mask, 0xFF7F); - AND(WA, RD, mask, ArithOption(mask, ST_LSL, 0)); + AND(WA, RD, 24, 30); STRH(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_stringctrl)); - UBFM(WA, RD, XER_CA_SHIFT, XER_CA_SHIFT); + UBFM(WA, RD, XER_CA_SHIFT, XER_CA_SHIFT + 1); STRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_ca)); UBFM(WA, RD, XER_OV_SHIFT, 31); // Same as WA = RD >> XER_OV_SHIFT STRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_so_ov)); - gpr.Unlock(WA, mask); + gpr.Unlock(WA); } break; default: |