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Get division on x86/AMD64 a closer approximation of what is correct

This commit is contained in:
Jeremiah Orians 2019-11-29 12:55:55 -05:00
parent 30a09a592b
commit 64a3a1b674
No known key found for this signature in database
GPG Key ID: 5410E91C14959E87
5 changed files with 23 additions and 21 deletions
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8
cc_core.c
View File

@ -737,8 +737,8 @@ void additive_expr_stub()
arithmetic_recursion(postfix_expr, "ADD_ebx_to_eax\n", "ADD_ebx_to_eax\n", "+", additive_expr_stub);
arithmetic_recursion(postfix_expr, "SUBTRACT_eax_from_ebx_into_ebx\nMOVE_ebx_to_eax\n", "SUBTRACT_eax_from_ebx_into_ebx\nMOVE_ebx_to_eax\n", "-", additive_expr_stub);
arithmetic_recursion(postfix_expr, "MULTIPLYS_eax_by_ebx_into_eax\n", "MULTIPLY_eax_by_ebx_into_eax\n", "*", additive_expr_stub);
arithmetic_recursion(postfix_expr, "XCHG_eax_ebx\nLOAD_IMMEDIATE_edx %0\nDIVIDES_eax_by_ebx_into_eax\n", "XCHG_eax_ebx\nLOAD_IMMEDIATE_edx %0\nDIVIDE_eax_by_ebx_into_eax\n", "/", additive_expr_stub);
arithmetic_recursion(postfix_expr, "XCHG_eax_ebx\nLOAD_IMMEDIATE_edx %0\nMODULUSS_eax_from_ebx_into_ebx\nMOVE_edx_to_eax\n", "XCHG_eax_ebx\nLOAD_IMMEDIATE_edx %0\nMODULUS_eax_from_ebx_into_ebx\nMOVE_edx_to_eax\n", "%", additive_expr_stub);
arithmetic_recursion(postfix_expr, "XCHG_eax_ebx\nCDTQ\nDIVIDES_eax_by_ebx_into_eax\n", "XCHG_eax_ebx\nLOAD_IMMEDIATE_edx %0\nDIVIDE_eax_by_ebx_into_eax\n", "/", additive_expr_stub);
arithmetic_recursion(postfix_expr, "XCHG_eax_ebx\nCDTQ\nMODULUSS_eax_from_ebx_into_ebx\nMOVE_edx_to_eax\n", "XCHG_eax_ebx\nCDTQ\nMODULUS_eax_from_ebx_into_ebx\nMOVE_edx_to_eax\n", "%", additive_expr_stub);
arithmetic_recursion(postfix_expr, "COPY_eax_to_ecx\nCOPY_ebx_to_eax\nSAL_eax_cl\n", "COPY_eax_to_ecx\nCOPY_ebx_to_eax\nSAL_eax_cl\n", "<<", additive_expr_stub);
arithmetic_recursion(postfix_expr, "COPY_eax_to_ecx\nCOPY_ebx_to_eax\nSAR_eax_cl\n", "COPY_eax_to_ecx\nCOPY_ebx_to_eax\nSAR_eax_cl\n", ">>", additive_expr_stub);
}
@ -747,8 +747,8 @@ void additive_expr_stub()
arithmetic_recursion(postfix_expr, "ADD_rbx_to_rax\n", "ADD_rbx_to_rax\n", "+", additive_expr_stub);
arithmetic_recursion(postfix_expr, "SUBTRACT_rax_from_rbx_into_rbx\nMOVE_rbx_to_rax\n", "SUBTRACT_rax_from_rbx_into_rbx\nMOVE_rbx_to_rax\n", "-", additive_expr_stub);
arithmetic_recursion(postfix_expr, "MULTIPLYS_rax_by_rbx_into_rax\n", "MULTIPLY_rax_by_rbx_into_rax\n", "*", additive_expr_stub);
arithmetic_recursion(postfix_expr, "XCHG_rax_rbx\nLOAD_IMMEDIATE_rdx %0\nDIVIDES_rax_by_rbx_into_rax\n", "XCHG_rax_rbx\nLOAD_IMMEDIATE_rdx %0\nDIVIDE_rax_by_rbx_into_rax\n", "/", additive_expr_stub);
arithmetic_recursion(postfix_expr, "XCHG_rax_rbx\nLOAD_IMMEDIATE_rdx %0\nMODULUSS_rax_from_rbx_into_rbx\nMOVE_rdx_to_rax\n", "XCHG_rax_rbx\nLOAD_IMMEDIATE_rdx %0\nMODULUS_rax_from_rbx_into_rbx\nMOVE_rdx_to_rax\n", "%", additive_expr_stub);
arithmetic_recursion(postfix_expr, "XCHG_rax_rbx\nCQTO\nDIVIDES_rax_by_rbx_into_rax\n", "XCHG_rax_rbx\nLOAD_IMMEDIATE_rdx %0\nDIVIDE_rax_by_rbx_into_rax\n", "/", additive_expr_stub);
arithmetic_recursion(postfix_expr, "XCHG_rax_rbx\nCQTO\nMODULUSS_rax_from_rbx_into_rbx\nMOVE_rdx_to_rax\n", "XCHG_rax_rbx\nCQTO\nMODULUS_rax_from_rbx_into_rbx\nMOVE_rdx_to_rax\n", "%", additive_expr_stub);
arithmetic_recursion(postfix_expr, "COPY_rax_to_rcx\nCOPY_rbx_to_rax\nSAL_rax_cl\n", "COPY_rax_to_rcx\nCOPY_rbx_to_rax\nSAL_rax_cl\n", "<<", additive_expr_stub);
arithmetic_recursion(postfix_expr, "COPY_rax_to_rcx\nCOPY_rbx_to_rax\nSAR_rax_cl\n", "COPY_rax_to_rcx\nCOPY_rbx_to_rax\nSAR_rax_cl\n", ">>", additive_expr_stub);
}

1
test/common_amd64/amd64_defs.M1
View File

@ -32,6 +32,7 @@ DEFINE COPY_rbx_to_rdi 4889DF
DEFINE COPY_rdi_to_rbp 4889FD
DEFINE COPY_rsp_to_rbp 4889E5
DEFINE COPY_RSP_to_RDI 4889E7
DEFINE CQTO 4899
DEFINE DIVIDE_rax_by_rbx_into_rax 48F7FB
DEFINE DIVIDES_rax_by_rbx_into_rax 48F7F3
DEFINE JUMP E9

1
test/common_x86/x86_defs.M1
View File

@ -34,6 +34,7 @@ DEFINE COPY_edi_to_ebp 89fd
DEFINE COPY_esp_to_ebp 89E5
DEFINE COPY_esp_to_ecx 89E1
DEFINE COPY_esp_to_edi 89E7
DEFINE CDTQ 99
DEFINE DIVIDE_eax_by_ebx_into_eax F7FB
DEFINE DIVIDES_eax_by_ebx_into_eax F7F3
DEFINE INT_80 CD80

32
test/test.answers
View File

@ -53,10 +53,10 @@ a0ae067746e7a2b01d33950da1cf640e12c3a70a045ab331ea2025af59dec9af test/results/t
1154f39f25dcd6d914e9a542306f95280926baf985d011b2152c7ea0b87ab42d test/results/test10-knight-native-binary
c1b5a2a3cd46c5e95e5540e871c2a916e028684ca80f51c001ef489342e27625 test/results/test10-knight-posix-binary
b3e13d54aab689137628fb9c4487bfd8288f9bd18bef8fe756577c8d2dce1f1f test/results/test10-x86-binary
e6b0b70497950f9ce46b3e75e31f4ba0ac23d16075d735d40f33f7c80e86c535 test/results/test100-amd64-binary
256ddb2d0dd6968af9461c814089ddd8ddc62125f14b061f3a52b1c2de753f87 test/results/test100-armv7l-binary
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dd3e83e71ca4044443d011ccf2601fd8cdce60e1b2452769e1725df3db066038 test/results/test100-knight-posix-binary
56dd73c995c3b165753784fcf36f3c0d6c55ccbc2c7ee9bdcfb91c6cc7421a0e test/results/test100-x86-binary
34e6d535e30ef8826a4ad1a4d08b76cfa370c54595599ad3be784b64c9cd8ec5 test/results/test11-amd64-binary
893695e6f300a0fe055fad935a56abd549bba70d1d39c535a680f41bbb73f117 test/results/test11-armv7l-binary
955b564d2c89abf2cfc6c80d766cd11479d146b828dec69e654b0958a62d5e6e test/results/test11-knight-native-binary
@ -89,15 +89,15 @@ edbb413c0a1e97e57c08192190c37345759e05356394d1c9f43b2eb205b65769 test/results/t
25c03ca09cee551b898245f91106e78a551ddb09e55dc5d36138e7f3955be47d test/results/test17-knight-native-binary
fae9fbfc8a37c06dbc363b7bcb48eae27fbebc8a6abf715fd7617b01a1699866 test/results/test17-knight-posix-binary
56a83f34aa57b10efdea636135491043d8c8b09dc09b451b58c27801ca82990e test/results/test17-x86-binary
1bbf386052ba9265cb89d078ac19cde1fd3170c0644f3a30f355ebba7f0ee739 test/results/test18-amd64-binary
7e38dd8213d8602480dd4912e0c25ee59c85427e69a5792f8b2cf109ec3ee8fd test/results/test18-amd64-binary
a72e9d90e28aa70ba0877a89f224a8469e066958e76c3eec1abcf3b63275ba55 test/results/test18-armv7l-binary
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56f791e86536757d48990b870590c878c825f718c29af9628c02e73bfd6144ff test/results/test18-x86-binary
b0f1ff749f0ddc405af86db73cc3419f2778b264900ff736314baceac9908f69 test/results/test19-amd64-binary
a5d415b35a87e48e1a23de44562790139335841c4a42f16c36b34079e169d7e6 test/results/test18-x86-binary
694316a1b38e9191bcfa35d1fe58deabdc6c580cd3f18f0c7912e4bcf1bcaea0 test/results/test19-amd64-binary
1960ba445f1196db351d957ffc7848b7457c0cc377331d072797bd25dcc5fe11 test/results/test19-armv7l-binary
6ce1194d10113b7e43f60d31221852c7742b8e19a0ce14f75a0005907266d128 test/results/test19-knight-posix-binary
29902ee95385060d61eee2a6474375c95f156ada2ece6b6cce763e89ef1d4bde test/results/test19-x86-binary
c5283a342fe434a4bf96dbc5635f95015ae693d24b0a22118ff5e110e770bcc2 test/results/test19-x86-binary
15950e38bab2603bfcb369b9a4941abfc2e37b7cbbd2cf9b22ebfc9aab46d5ad test/results/test20-amd64-binary
80612ce05a2e43fceb34139577be98794505cd324ff5bc84ba004a21828b5f86 test/results/test20-armv7l-binary
7ae1ba10ff6b6bf34148945ee44b9461aa6d1a16094e77fdf34b76e9a360a5b2 test/results/test20-knight-native-binary
@ -107,24 +107,24 @@ b80de35e17d341cda9cd280437acb6b217841e18a5b01faf86ca461f6bf0d246 test/results/t
23ad3fc1acc3741e32964e6ebcc206716a6d8ba9fabf4ffa872a382621b7b2a9 test/results/test21-armv7l-binary
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2
test/test100/proof.answer
View File

@ -1 +1 @@
2920e77d7f257741943e804ccadd44bc2a91494f0840cbe22756343511787412 test/test100/proof
59600f9625ed7a9608b41d3deeac923152d387813e37237b6e327960dc0d17c9 test/test100/proof