[hackers] [scc] [cc2-qbe] Added signed/unsigned versions of div and rem || Roberto E. Vargas Caballero

From: <git_AT_suckless.org>
Date: Thu, 21 Apr 2016 19:54:48 +0200 (CEST)

commit 0480870c8d4e3c273758fc36f149d9634ea516b3
Author: Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
AuthorDate: Thu Apr 21 01:41:43 2016 +0200
Commit: Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
CommitDate: Thu Apr 21 01:41:43 2016 +0200

    [cc2-qbe] Added signed/unsigned versions of div and rem
    
    These two operators have different opcodes in qbe depending of the
    signess of the types involved in the operation. It is a similar
    situation to the comparisions.

diff --git a/cc2/arch/qbe/arch.h b/cc2/arch/qbe/arch.h
index 79c43ef..78f058b 100644
--- a/cc2/arch/qbe/arch.h
+++ b/cc2/arch/qbe/arch.h
_AT_@ -12,7 +12,9 @@ enum asmop {
         ASSUBW,
         ASMULW,
         ASMODW,
+ ASUMODW,
         ASDIVW,
+ ASUDIVW,
         ASSHLW,
         ASSHRW,
         ASLTW,
_AT_@ -34,7 +36,9 @@ enum asmop {
         ASSUBL,
         ASMULL,
         ASMODL,
+ ASUMODL,
         ASDIVL,
+ ASUDIVL,
         ASSHLL,
         ASSHRL,
         ASLTL,
diff --git a/cc2/arch/qbe/cgen.c b/cc2/arch/qbe/cgen.c
index c0bc1e9..7961178 100644
--- a/cc2/arch/qbe/cgen.c
+++ b/cc2/arch/qbe/cgen.c
_AT_@ -142,6 +142,8 @@ cgen(Node *np)
         case OMEM:
         case OAUTO:
                 return np;
+ case OMOD:
+ case ODIV:
         case OLT:
         case OGT:
         case OLE:
_AT_@ -155,8 +157,6 @@ cgen(Node *np)
         case OADD:
         case OSUB:
         case OMUL:
- case OMOD:
- case ODIV:
         case OSHL:
         case OSHR:
         case OBAND:
diff --git a/cc2/arch/qbe/code.c b/cc2/arch/qbe/code.c
index 165a102..b956dfb 100644
--- a/cc2/arch/qbe/code.c
+++ b/cc2/arch/qbe/code.c
_AT_@ -23,7 +23,9 @@ static struct opdata {
         [ASSUBW] = {.fun = binary, .txt = "sub", .letter = 'w'},
         [ASMULW] = {.fun = binary, .txt = "mul", .letter = 'w'},
         [ASMODW] = {.fun = binary, .txt = "rem", .letter = 'w'},
+ [ASUMODW] = {.fun = binary, .txt = "urem", .letter = 'w'},
         [ASDIVW] = {.fun = binary, .txt = "div", .letter = 'w'},
+ [ASUDIVW] = {.fun = binary, .txt = "udiv", .letter = 'w'},
         [ASSHLW] = {.fun = binary, .txt = "shl", .letter = 'w'},
         [ASSHRW] = {.fun = binary, .txt = "shr", .letter = 'w'},
         [ASLTW] = {.fun = binary, .txt = "csltw", .letter = 'w'},
_AT_@ -44,7 +46,9 @@ static struct opdata {
         [ASSUBL] = {.fun = binary, .txt = "sub", .letter = 'l'},
         [ASMULL] = {.fun = binary, .txt = "mul", .letter = 'l'},
         [ASMODL] = {.fun = binary, .txt = "rem", .letter = 'l'},
+ [ASUMODL] = {.fun = binary, .txt = "urem", .letter = 'l'},
         [ASDIVL] = {.fun = binary, .txt = "div", .letter = 'l'},
+ [ASUDIVL] = {.fun = binary, .txt = "udiv", .letter = 'l'},
         [ASSHLL] = {.fun = binary, .txt = "shl", .letter = 'l'},
         [ASSHRL] = {.fun = binary, .txt = "shr", .letter = 'l'},
         [ASLTL] = {.fun = binary, .txt = "csltl", .letter = 'w'},
Received on Thu Apr 21 2016 - 19:54:48 CEST