diff options
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/R600/SIInstructions.td | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td index 7827a9a..76f05eb 100644 --- a/lib/Target/R600/SIInstructions.td +++ b/lib/Target/R600/SIInstructions.td @@ -489,14 +489,17 @@ def TBUFFER_STORE_FORMAT_XYZW : MTBUF_Store_Helper <0x00000007, "TBUFFER_STORE_F let mayLoad = 1 in { -defm S_LOAD_DWORD : SMRD_Helper <0x00, "S_LOAD_DWORD", SReg_64, SReg_32>; +// We are using the SGPR_32 and not the SReg_32 register class for 32-bit +// SMRD instructions, because the SGPR_32 register class does not include M0 +// and writing to M0 from an SMRD instruction will hang the GPU. +defm S_LOAD_DWORD : SMRD_Helper <0x00, "S_LOAD_DWORD", SReg_64, SGPR_32>; defm S_LOAD_DWORDX2 : SMRD_Helper <0x01, "S_LOAD_DWORDX2", SReg_64, SReg_64>; defm S_LOAD_DWORDX4 : SMRD_Helper <0x02, "S_LOAD_DWORDX4", SReg_64, SReg_128>; defm S_LOAD_DWORDX8 : SMRD_Helper <0x03, "S_LOAD_DWORDX8", SReg_64, SReg_256>; defm S_LOAD_DWORDX16 : SMRD_Helper <0x04, "S_LOAD_DWORDX16", SReg_64, SReg_512>; defm S_BUFFER_LOAD_DWORD : SMRD_Helper < - 0x08, "S_BUFFER_LOAD_DWORD", SReg_128, SReg_32 + 0x08, "S_BUFFER_LOAD_DWORD", SReg_128, SGPR_32 >; defm S_BUFFER_LOAD_DWORDX2 : SMRD_Helper < |